John F. Marra, M.D.
Cardiovascular Disease Physician · Baltimore, MD
John F. Marra, M.D. is a cardiovascular disease physician with a practice address in Baltimore, Maryland, and NPI 1437128592, issued on Mar 14, 2006. Check the license (Maryland D25075, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John F. Marra
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- D25075 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5601 Loch Raven Blvd, Baltimore, MD 21239
- Phone
- (410) 464-5600
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 613 in Maryland → Look up another NPI →
Also registered at 5601 Loch Raven Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krishna AcharyaAcute Care Nurse Practitioner1811623176
- Michaella Afful, DNPNurse Practitioner1164224036
- Maame Agyapong, PASurgical Physician Assistant1518734532
- Sana Ahmed, PA-CMedical Physician Assistant1750943411
- Jemima Felicity Albayda, MDRheumatology Physician1285955765
- Christen Alevizatos, M.D.Urology Physician1154376325
Verify John F. Marra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D25075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
15 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
John F. Marra among 613 cardiovascular disease physician records in Maryland
John F. Marra, M.D. is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 36% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maryland
There are 613 cardiovascular disease physician records in Maryland.
All 613 in Maryland → Every provider in Baltimore → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Len Ennis, M.D.Baltimore, MD 212391669441085
- Jelles Fonda, M.D.Baltimore, MD 212391841269651
- Rita King, M.D.Baltimore, MD 212391265401384
- James Oshida, M.D.Baltimore, MD 212391861460008
- Bethel Woldu, M.D.Baltimore, MD 212391659630952
- Manling ZhangBaltimore, MD 212391811284904
- Michelle Zikusoka, MDBaltimore, MD 212391003953290
- Rafique Ahmed, MDBaltimore, MD 212371457354854
Common questions
What is John F. Marra, M.D.'s NPI number?
John F. Marra, M.D.'s National Provider Identifier (NPI) is 1437128592, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John F. Marra, M.D. located?
The NPPES record lists a practice address at 5601 Loch Raven Blvd, Baltimore, MD, 21239. Phone: (410) 464-5600. Providers update this record themselves, so call before visiting.
How can I verify John F. Marra, M.D.'s license?
NPPES lists Maryland license number D25075, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John F. Marra, M.D. prescribe under Medicare Part D?
In 2024, John F. Marra, M.D. had 15 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
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.