Dr. Deborah K. Armstrong, MD

  • Baltimore, MD
  • Medical oncologist
NPI1437113255PAC ID1254455736
Medicare services, 2024
167
Medicare patients, 2024
103
Part D claims, 2024
84
Publications
149
Clinical trials
15
Practice address
401 N Broadway St, Baltimore, MD 21287
Practice phone
Call (410) 933-7400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Jhu - Oncology

Baltimore, Maryland

See all 7 affiliations

Find Dr. Armstrong's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Deborah K. Armstrong is a medical oncologist in Baltimore, Maryland

Dr. Armstrong practices at Jhu - Oncology in Baltimore, Maryland.

Dr. Armstrong's NPI, 1437113255, was assigned on April 17, 2006. Dr. Armstrong graduated from George Washington University School of Medicine and Health Sciences in 1984. Dr. Armstrong holds Maryland license D36986.

NPI and contact details
Medicare PAC ID
1254455736
NPI enumeration date
April 17, 2006
NPI status
Active
Offers telehealth
Yes
Practice phone
(410) 933-7400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Deborah K. Armstrong practices at Jhu - Oncology in Baltimore, Maryland

Dr. Armstrong's primary practice is Jhu - Oncology, at 401 N Broadway St, Baltimore, MD 21287 in Baltimore City. The practice phone is (410) 933-7400.

  • Jhu - Oncology
    401 N Broadway St, Baltimore, MD 21287 · Baltimore CityPhone(410) 933-7400

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Deborah K. Armstrong is affiliated with 4 sites of care and 3 medical groups

Dr. Armstrong's primary practice is Jhu - Oncology in Baltimore, Maryland. Dr. Armstrong is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Armstrong to 1 more hospital, 2 medical groups and 1 ambulatory surgery center, each named with a free account.

See all 7 affiliations for Dr. Armstrong

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Deborah K. Armstrong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jhu - OncologyAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Armstrong practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Deborah K. Armstrong is one of 157 medical oncologists in Maryland

Medical oncology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Armstrong is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Armstrong's licenses on file in 3 states: Maryland, Virginia and Pennsylvania.

Specialties and state licenses

  • Medical oncology, MarylandPrimaryLicense D36986 · 1988 to 2026 · taxonomy 207RX0202X
  • Virginia license2022 to 2026
  • Pennsylvania license1986 to 2022

Clinical focus

Dmand AI lists breast cancer, colorectal cancer and lung cancer among the conditions Dr. Armstrong treats.

Medical oncologists near Dr. Armstrong

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Deborah K. Armstrong billed Medicare for 167 services in 2024

CMS data shows 167 Medicare services from Dr. Armstrong across 3 procedure codes in 2024, for 103 Medicare patients. Medicare paid $19,055 for them.

Medicare services, 2024167
Medicare patients103
Paid by Medicare$19,055
Procedure codes3

Dr. Armstrong's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1472024: 1377%
Other services
2023: 02024: 30

Where Dr. Armstrong's Medicare services took place, 2024

  • In an office13078%
  • In a facility3722%

Dr. Armstrong compared with the Maryland median for medical oncologists, 2024

  • Dr. Armstrong
  • Maryland median
Medicare services
167vs 42260% below
Medicare patients
103vs 14328% below
Part D claims
50vs 11858% below

Medians across 124 medical oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Armstrong's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Armstrong

Need commercial claims for Dr. Armstrong?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other medical oncologists in Maryland.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Deborah K. Armstrong treated 103 Medicare patients in 2024, average age 73

CMS counts 103 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high cholesterol, and 67% have cancer. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 69, with 93% women.

Medicare patients, 2024103
Average age73
Average risk score1.80

Dr. Armstrong's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Armstrong's Medicare patients, 2024

  1. High cholesterol75%
  2. Cancer67%
  3. High blood pressure61%
  4. Arthritis47%
  5. Anxiety31%
  6. Osteoporosis29%
  7. Diabetes27%
  8. Mood disorders24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Armstrong's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women93%
  • Men7%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Deborah K. Armstrong wrote 84 Medicare Part D claims in 2024

In 2024, Dr. Armstrong wrote 84 Medicare Part D claims for 20 patients. 94% of them were for generic drugs. CMS names the drug for 50 of them, across 2 drugs with 11 or more claims each, at $900 in total drug cost. In 2023, CMS named 23 claims across 1 drug.

Part D claims, 202484
Drugs named by CMS2
Total drug cost$900
Part D patients20

Dr. Armstrong's Part D claims by kind of drug, 2024

  • Generic79 claims94%
  • Brand-name and other5 claims6%

Dr. Armstrong's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 232024: 50117%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Armstrong

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Deborah K. Armstrong scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Armstrong for performance year 2024, reported as part of a group. CMS lists Dr. Armstrong as offering telehealth.

Offers telehealth
Yes

Dr. Armstrong's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find medical oncologists like Dr. Armstrong by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Deborah K. Armstrong has 149 publications on record

Dmand AI links 149 papers to Dr. Armstrong, published from 2005 to 2025. 2017 was the busiest year, with 7. The most frequent topics are Ovarian Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Breast Neoplasms. Dr. Armstrong has published most often in Gynecol Oncol. Dr. Armstrong's most frequent co-authors are Robert E. Bristow, MD, Robert L. Coleman, MD and Ronald D. Alvarez, MD.

Papers149
Years published2005 to 2025

Dr. Armstrong's papers by year, 2016 to 2025

Topics Dr. Armstrong writes about most

  • Ovarian Neoplasms
  • Antineoplastic Combined Chemotherapy Protocols
  • Breast Neoplasms
  • Paclitaxel
  • Carcinoma, Ovarian Epithelial
  • Carboplatin
  • Antineoplastic Agents
  • Cisplatin

Dr. Armstrong's most frequent co-authors

Recent publications by Dr. Armstrong

See all 149 publications and co-authors

See who Dr. Armstrong researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Armstrong works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Deborah K. Armstrong has worked on 15 clinical trials

Dmand AI links Dr. Armstrong to 15 clinical trials, 5 of them phase 1 studies. 4 are still active or recruiting. Conditions studied include Carcinoma, Ovarian Epithelial, Brenner Tumor and Fallopian Tube Diseases. National Cancer Institute (NCI) sponsors the most, 7.

Clinical trials with Dr. Armstrong by phase

  1. 5Phase 1: 5 trials
  2. 1Phase 1/2: 1 trial
  3. 3Phase 2: 3 trials
  4. 1Phase 2/3: 1 trial
  5. 4Phase 3: 4 trials
  6. NonePhase 4: no trials

Conditions in Dr. Armstrong's trials

  • Carcinoma, Ovarian Epithelial
  • Brenner Tumor
  • Fallopian Tube Diseases
  • Neoplasms, Fibroepithelial
  • Ovarian Neoplasms

Investigators on the most trials with Dr. Armstrong

Recent clinical trials with Dr. Armstrong

See all 15 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Deborah K. Armstrong received $42,281 in industry payments from 2016 to 2025

CMS Open Payments shows 41 general payments to Dr. Armstrong from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 97% of the total. AstraZeneca Pharmaceuticals LP paid the most, $28,451. It also lists 1 research payment totaling $2,200 in 2020.

General payments to Dr. Armstrong by program year, 2016 to 2025

General payments to Dr. Armstrong by kind, 2016 to 2025

$42.3Kin total
  • Consulting fees$40,88997%
  • Food and beverage$7872%
  • Travel and lodging$5111%
  • Speaker and faculty fees$570%
  • Education speaker fees$370%

Companies that paid Dr. Armstrong the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Armstrong

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Deborah K. Armstrong has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Armstrong, most recently America's Top Doctors in 2014. Dr. Armstrong serves on Fred Hutchinson Cancer Research Center University off Washington, Mayo Clinic Ovarian Cancer SPORE and chair 2017-2020 Department of Defense Congressionally Directed Medical Research Program Ovarian Cancer Research Program.

Awards and honors for Dr. Armstrong

  1. 2014
    • America's Top Doctors
    • CMS Stage 1 EHR
  2. 2013
    • America's Top Doctors for Cancer
  3. 2012
    • Top Doctors:Baltimore Area
    • Top Doctors:Washington-Baltimore

Dr. Armstrong's committees and leadership roles

Fred Hutchinson Cancer Research Center University off WashingtonExternal Advisory Board Member
2017 to present
Mayo Clinic Ovarian Cancer SPOREExternal Advisory Committee Member
2014 to present
chair 2017-2020 Department of Defense Congressionally Directed Medical Research Program Ovarian Cancer Research ProgramMember
2007 to present
National Ovarian Cancer CoalitionMedical and Scientific Advisory Board
2006 to present
2014-2016 Oncology Drugs Advisory Committee FDAChair
2011 to 2016

Source: Dmand AI Professional Profile Data

Dr. Deborah K. Armstrong graduated from George Washington University School of Medicine and Health Sciences

Dr. Armstrong graduated from George Washington University School of Medicine and Health Sciences in 1984. Dr. Armstrong is a member of AACR, ASCO and Society of Gynecologic Oncology.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Deborah K. Armstrong accepts plans from 7 insurance carriers

Dr. Armstrong is in network with 7 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • CareFirst BlueCross BlueShield
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Armstrong accepts, by number of carriers

  1. HMO4
  2. Medicare4
  3. POS4
  4. PPO4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Deborah K. Armstrong's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Deborah K. Armstrong

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Deborah K. Armstrong's NPI number?

Dr. Deborah K. Armstrong's NPI number is 1437113255. It was assigned on April 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Deborah K. Armstrong?

Dr. Deborah K. Armstrong is a medical oncologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Deborah K. Armstrong practice?

Dr. Armstrong practices at 401 N Broadway St, Baltimore, MD 21287. Dr. Armstrong's primary practice is Jhu - Oncology in Baltimore, Maryland. Dmand AI also links Dr. Armstrong to 1 hospital, 2 medical groups and 1 ambulatory surgery center.

What is Dr. Deborah K. Armstrong's office phone number?

The practice phone on file for Dr. Armstrong is (410) 933-7400.

What is Dr. Deborah K. Armstrong's medical license number?

Dr. Armstrong holds Maryland license D36986, one of the licenses on file in 3 states.

Which states has Dr. Deborah K. Armstrong been licensed in?

Dmand AI has state licenses on file for Dr. Armstrong in Maryland (1988 to 2026), Virginia (2022 to 2026) and Pennsylvania (1986 to 2022).

Which hospitals is Dr. Deborah K. Armstrong affiliated with?

Dr. Armstrong is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Armstrong to 1 more hospital.

What medical group is Dr. Deborah K. Armstrong part of?

Dr. Armstrong is linked to Johns Hopkins University. Dmand AI links Dr. Armstrong to 2 more medical groups.

Does Dr. Deborah K. Armstrong accept Medicare?

Yes. CMS data shows Dr. Armstrong billed Medicare for 167 services in 2024.

Does Dr. Deborah K. Armstrong offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Armstrong as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Deborah K. Armstrong's MIPS score?

Dr. Armstrong's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Deborah K. Armstrong see?

CMS counts 103 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 73.

Is Dr. Deborah K. Armstrong board certified?

Yes. Dr. Armstrong is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Deborah K. Armstrong bill to Medicare?

In 2024, Dr. Armstrong's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and medicare service (G2211).

Where did Dr. Deborah K. Armstrong go to medical school?

Dr. Armstrong graduated from George Washington University School of Medicine and Health Sciences in 1984.

What drugs does Dr. Deborah K. Armstrong prescribe most?

In 2024 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Anastrozole and Lorazepam.

Has Dr. Deborah K. Armstrong received payments from drug or device companies?

CMS Open Payments shows $42,281 in general payments to Dr. Armstrong from 11 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Deborah K. Armstrong been practicing?

Dr. Armstrong graduated from medical school in 1984, 42 years ago.

Does Dr. Deborah K. Armstrong do research?

Dmand AI links 149 publications to Dr. Armstrong, published from 2005 to 2025. Dr. Armstrong has worked on 15 clinical trials.

Who does Dr. Deborah K. Armstrong publish with?

Dr. Armstrong's most frequent co-authors are Robert E. Bristow, MD (15 shared papers), Robert L. Coleman, MD (12 shared papers) and Ronald D. Alvarez, MD (10 shared papers).

What insurance does Dr. Deborah K. Armstrong accept?

Dr. Armstrong is in network with 7 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

Selling to medical oncology practices?

See medical oncologists in Maryland by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)