Dr. Donna Lynn Parker, MD

  • Baltimore, MD
  • Internist
NPI1023032232
Medicare services, 2021
18
Part D claims, 2022
19
Publications
4
State license
1
Year NPI issued
2006
Practice address
22 S Greene St, Baltimore, MD 21201-1544
Practice phone
Call (410) 706-7476
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Parker'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. Donna Lynn Parker is an internist in Baltimore, Maryland

Dr. Parker practices in Baltimore, Maryland.

Dr. Parker's NPI, 1023032232, was assigned on July 27, 2006. Dr. Parker graduated from University of Maryland School of Medicine in 1986. Dr. Parker holds Maryland license D36031.

NPI and contact details
NPI enumeration date
July 27, 2006
NPI status
Active
Practice phone
(410) 706-7476
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
66
Medical school graduation
1986

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

Dr. Donna Lynn Parker's practice address is in Baltimore, Maryland

Dr. Parker's practice address in the NPI Registry is 22 S Greene St, Baltimore, MD 21201-1544. The practice phone is (410) 706-7476.

  • NPI Registry address
    22 S Greene St, Baltimore, MD 21201-1544Phone(410) 706-7476

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

Dmand AI tracks the EHR system at Dr. Donna Lynn Parker's practice

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

EHR by site
SiteEHR vendor and product
Dr. Parker's practiceAvailable 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. Parker 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. Donna Lynn Parker is one of 3,320 internists in Maryland

Internal medicine is Dr. Parker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Parker is licensed in Maryland.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D36031 · taxonomy 207R00000X

Internists near Dr. Parker

Counts of internists 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. Donna Lynn Parker billed Medicare for 18 services in 2021

CMS data shows 18 Medicare services from Dr. Parker across 1 procedure code in 2021, all of them office visits. Medicare paid $1,312 for them. Every service was in an office.

Medicare services, 202118
Paid by Medicare$1,312
Procedure codes1

Dr. Parker's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 302021: 1840%

Dr. Parker compared with the Maryland median for internists, 2021

  • Dr. Parker
  • Maryland median
Medicare services
18vs 65697% below
Part D claims
19vs 30994% below

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

Dr. Parker's most billed Medicare procedure codes, 2021

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. Parker

Need commercial claims for Dr. Parker?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parker and other internists in Maryland.

Book a meeting

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

Dr. Donna Lynn Parker's patients have a median age of 58

Across all payers, Dmand AI patient panel data puts Dr. Parker's median patient age at 58, with 75% women.

Dr. Parker's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women75%
  • Men25%

Source: Dmand AI Patient Panel Data

Dr. Donna Lynn Parker wrote 19 Medicare Part D claims in 2022

In 2022, Dr. Parker wrote 19 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $439 in total drug cost. In 2021, CMS named 96 claims across 5 drugs.

Part D claims, 202219
Drugs named by CMS1
Total drug cost$439

Dr. Parker's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 962022: 1980%

Drugs named by CMS: 1 in 2022, 5 in 2021.

See all prescribing by Dr. Parker

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

For MedTech and pharma teams

Find internists like Dr. Parker 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. Donna Lynn Parker has 4 publications on record

Dmand AI links 4 papers to Dr. Parker, published from 2016 to 2021. The most frequent topics are Students, Medical. Dr. Parker's most frequent co-authors are Neda Frayha, MD and Philip A. Mackowiak, MD.

Papers4
Years published2016 to 2021

Dr. Parker's papers by year, 2016 to 2021

Topics Dr. Parker writes about most

  • Students, Medical

Dr. Parker's most frequent co-authors

Recent publications by Dr. Parker

See all 4 publications and co-authors

See who Dr. Parker researches with

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

How network discovery works

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

Dr. Donna Lynn Parker graduated from University of Maryland School of Medicine

Dr. Parker graduated from University of Maryland School of Medicine in 1986.

  1. Medical schoolUniversity of Maryland School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Donna Lynn Parker'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
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile 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. Donna Lynn Parker

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. Donna Lynn Parker's NPI number?

Dr. Donna Lynn Parker's NPI number is 1023032232. It was assigned on July 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Donna Lynn Parker?

Dr. Donna Lynn Parker is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Donna Lynn Parker practice?

Dr. Parker practices at 22 S Greene St, Baltimore, MD 21201-1544.

What is Dr. Donna Lynn Parker's office phone number?

The practice phone on file for Dr. Parker is (410) 706-7476.

What is Dr. Donna Lynn Parker's medical license number?

Dr. Parker holds Maryland license D36031.

Does Dr. Donna Lynn Parker accept Medicare?

Yes. CMS data shows Dr. Parker billed Medicare for 18 services in 2021.

What services does Dr. Donna Lynn Parker bill to Medicare?

In 2021, Dr. Parker's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Donna Lynn Parker go to medical school?

Dr. Parker graduated from University of Maryland School of Medicine in 1986.

What drugs does Dr. Donna Lynn Parker prescribe most?

In 2022 Medicare Part D data, Dr. Parker's most prescribed drugs by claims were Atorvastatin Calcium.

How long has Dr. Donna Lynn Parker been practicing?

Dr. Parker graduated from medical school in 1986, 40 years ago.

Does Dr. Donna Lynn Parker do research?

Dmand AI links 4 publications to Dr. Parker, published from 2016 to 2021.

Who does Dr. Donna Lynn Parker publish with?

Dr. Parker's most frequent co-authors are Neda Frayha, MD (2 shared papers) and Philip A. Mackowiak, MD (1 shared paper).

Selling to internal medicine practices?

See internists 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)