Claudine J. Isaacs

  • Washington, DC
  • Hematologist and oncologist
NPI1164414751PAC ID5294863866
Medicare services, 2024
120
Medicare patients, 2024
81
Part D claims, 2024
58
MIPS score, 2024
82
Hospital affiliations
2
Practice address
3800 Reservoir NW Rd, Washington, DC 20007
Practice phone
Call (202) 444-1400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Medstar Georgetown Medical Center

Washington, District of Columbia

See all 5 affiliations

Find Claudine Isaacs' 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

Claudine J. Isaacs is a hematologist and oncologist in Washington, District of Columbia

Claudine Isaacs practices at Medstar Georgetown Medical Center in Washington, District of Columbia.

Claudine Isaacs' NPI, 1164414751, was assigned on August 19, 2005. Claudine Isaacs holds District of Columbia license 20270.

NPI and contact details
Medicare PAC ID
5294863866
NPI enumeration date
August 19, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(202) 444-1400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
65
Medical school graduation
1987

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

Claudine J. Isaacs practices at Medstar Georgetown Medical Center in Washington, District of Columbia

Claudine Isaacs' primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.

  • Medstar Georgetown Medical Center
    3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400

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

Claudine J. Isaacs is affiliated with 3 sites of care and 2 medical groups

Claudine Isaacs' primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Claudine Isaacs is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Claudine Isaacs to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Claudine Isaacs

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 Claudine J. Isaacs' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Claudine Isaacs practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Medstar Georgetown Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Claudine Isaacs 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.

Claudine J. Isaacs is one of 66 hematologists and oncologists in District of Columbia

Hematology and oncology is Claudine Isaacs' primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Claudine Isaacs is licensed in District of Columbia.

Specialties and state licenses

  • Hematology and oncology, District of ColumbiaPrimaryLicense 20270 · taxonomy 207RH0003X

Hematologists and oncologists near Claudine Isaacs

Counts of hematologists and 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

Claudine J. Isaacs billed Medicare for 120 services in 2024

CMS data shows 120 Medicare services from Claudine Isaacs across 3 procedure codes in 2024, all of them office visits, for 81 Medicare patients. Medicare paid $11,095 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024120
Medicare patients81
Paid by Medicare$11,095
Procedure codes3

Claudine Isaacs' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1222024: 1202%

Claudine Isaacs compared with the District of Columbia median for hematologists and oncologists, 2024

  • Claudine Isaacs
  • District of Columbia median
Medicare services
120vs 39670% below
Medicare patients
81vs 14946% below
Part D claims
41vs 11464% below

Medians across 62 hematologists and oncologists in District of Columbia with Dmand AI profiles that report each measure.

Claudine Isaacs' 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 Claudine Isaacs

Need commercial claims for Claudine Isaacs?

Medicare shows one payer. Book a meeting to get commercial claims data for Claudine Isaacs and other hematologists and oncologists in District of Columbia.

Book a meeting

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

Claudine J. Isaacs treated 81 Medicare patients in 2024, average age 74

CMS counts 81 Medicare patients who saw Claudine Isaacs in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have cancer, and 68% have high cholesterol. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Claudine Isaacs' median patient age at 56, with 96% women.

Medicare patients, 202481
Average age74
Average risk score1.56

Claudine Isaacs' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Claudine Isaacs' Medicare patients, 2024

  1. Cancer75%
  2. High cholesterol68%
  3. High blood pressure60%
  4. Arthritis51%
  5. Osteoporosis35%
  6. Ischemic heart disease26%
  7. Anxiety22%
  8. Mood disorders19%

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

Claudine Isaacs' patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women96%
  • Men2%

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

Claudine J. Isaacs wrote 58 Medicare Part D claims in 2024

In 2024, Claudine Isaacs wrote 58 Medicare Part D claims for 28 patients. 93% of them were for generic drugs. CMS names the drug for 41 of them, across 2 drugs with 11 or more claims each, at $1,802 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.

Part D claims, 202458
Drugs named by CMS2
Total drug cost$1,802
Part D patients28

Claudine Isaacs' Part D claims by kind of drug, 2024

  • Generic54 claims93%
  • Brand-name and other4 claims7%

Claudine Isaacs' 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: 322024: 4128%

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

See all prescribing by Claudine Isaacs

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

Claudine J. Isaacs scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Claudine Isaacs for performance year 2024, reported as part of a group. Claudine Isaacs accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Claudine Isaacs' MIPS scores, performance year 2024

  • 82of 100Final score
  • 67.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 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 hematologists and oncologists like Claudine Isaacs 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.

Claudine J. Isaacs received $528,066 in industry payments from 2016 to 2025

CMS Open Payments shows 406 general payments to Claudine Isaacs from 13 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 49% of the total. Genentech, Inc. paid the most, $177,463. It also lists 9 research payments totaling $27,552 from 2017 to 2023.

General payments to Claudine Isaacs by program year, 2016 to 2025

General payments to Claudine Isaacs by kind, 2016 to 2025

$528.1Kin total
  • Speaker and faculty fees$259,35149%
  • Consulting fees$184,22135%
  • Travel and lodging$60,50211%
  • Food and beverage$9,9942%
  • Other$13,9863%

Companies that paid Claudine Isaacs the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Claudine Isaacs

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

Sources for Claudine J. Isaacs'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Claudine J. Isaacs

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

What is Claudine J. Isaacs' NPI number?

Claudine J. Isaacs' NPI number is 1164414751. It was assigned on August 19, 2005, and it is active in the NPI Registry.

What does Claudine J. Isaacs specialize in?

Claudine J. Isaacs is a hematologist and oncologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Claudine J. Isaacs practice?

Claudine Isaacs practices at 3800 Reservoir NW Rd, Washington, DC 20007. Claudine Isaacs' primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Claudine Isaacs to 1 hospital and 1 medical group.

What is Claudine J. Isaacs' office phone number?

The practice phone on file for Claudine Isaacs is (202) 444-1400.

What is Claudine J. Isaacs' medical license number?

Claudine Isaacs holds District of Columbia license 20270.

Which hospitals is Claudine J. Isaacs affiliated with?

Claudine Isaacs is affiliated with MedStar Washington Hospital Center. Dmand AI links Claudine Isaacs to 1 more hospital.

What medical group is Claudine J. Isaacs part of?

Claudine Isaacs is linked to MedStar Medical Group. Dmand AI links Claudine Isaacs to 1 more medical group.

Does Claudine J. Isaacs accept Medicare?

Yes. CMS data shows Claudine Isaacs billed Medicare for 120 services in 2024, and Claudine Isaacs accepts Medicare assignment.

What is Claudine J. Isaacs' MIPS score?

Claudine Isaacs' MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

How many Medicare patients does Claudine J. Isaacs see?

CMS counts 81 Medicare patients who saw Claudine Isaacs in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Claudine J. Isaacs bill to Medicare?

In 2024, Claudine Isaacs' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

What drugs does Claudine J. Isaacs prescribe most?

In 2024 Medicare Part D data, Claudine Isaacs' most prescribed drugs by claims were Letrozole and Anastrozole.

Has Claudine J. Isaacs received payments from drug or device companies?

CMS Open Payments shows $528,066 in general payments to Claudine Isaacs from 13 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Claudine J. Isaacs been practicing?

Claudine Isaacs graduated from medical school in 1987, 39 years ago.

Selling to hematology and oncology practices?

See hematologists and oncologists in District of Columbia 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)