Marjorie Bernadette Gwynn, MD
Specialist · Glen Burnie, MD
Marjorie Bernadette Gwynn, MD is a specialist with a practice address in Glen Burnie, Maryland, and NPI 1619945557, issued on Mar 8, 2006. Check the license (Maryland D0057741, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marjorie Bernadette Gwynn
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- D0057741 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7671 Quarterfield Road, Glen Burnie, MD 21061
- Phone
- (410) 766-0111
- Enumerated
- Mar 8, 2006
- Record last updated
- Apr 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 582-9155
- Medicaid ID
- 699816000 MD
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 7671 Quarterfield Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin Adrien, PA-CPhysician Assistant1770896532
- Marianne Dawn, MDDermatology Physician1033252390
Verify Marjorie Bernadette Gwynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D0057741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average specialist in 2024
587 Medicare Part D claims for 235 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clobetasol Propionate83 claims
- Triamcinolone Acetonide54 claims
- Ketoconazole43 claims
- Fluorouracil39 claims
- Metronidazole34 claims
- Hydrocortisone27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $887.49
41 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marjorie Bernadette Gwynn among 938 specialist records in Maryland
Marjorie Bernadette Gwynn, MD is one of 938 specialist records with a practice address in Maryland. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 39% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2011 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 specialist records list a practice address in Glen Burnie
They are 23 of the 1,989 NPPES records with a practice address in Glen Burnie, and 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Glen Burnie → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Harjit Bajaj, M.D.Glen Burnie, MD 210611811977051
- Michael Bernstein, M.D.Glen Burnie, MD 210611780682674
- Warren Buchalter, MDGlen Burnie, MD 210611144228149
- Arnold Kirshenbaum, M.D.Glen Burnie, MD 210611831145903
- Ashok Krishnaswamy, M.D.Glen Burnie, MD 210611043286271
- Robert Lisk, M.D.Glen Burnie, MD 210611700884707
- Avron Marcus, M.D.Glen Burnie, MD 210611528053956
- James Murphy, M.D.Glen Burnie, MD 210611023010741
Common questions
What is Marjorie Bernadette Gwynn, MD's NPI number?
Marjorie Bernadette Gwynn, MD's National Provider Identifier (NPI) is 1619945557, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marjorie Bernadette Gwynn, MD located?
The NPPES record lists a practice address at 7671 Quarterfield Road, Glen Burnie, MD, 21061. Phone: (410) 766-0111. Providers update this record themselves, so call before visiting.
How can I verify Marjorie Bernadette Gwynn, MD's license?
NPPES lists Maryland license number D0057741, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Marjorie Bernadette Gwynn, MD prescribe under Medicare Part D?
In 2024, Marjorie Bernadette Gwynn, MD had 587 Medicare Part D claims for 235 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Marjorie Bernadette Gwynn, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.