Michael Peter Zimring, M.D.
Internal Medicine Physician · Baltimore, MD
Michael Peter Zimring, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1639230279, issued on Dec 13, 2006. Check the license (Maryland D15480, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Peter Zimring
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D15480 MD
Self-reported in NPPES; status is on the state search - Practice location
- 301 Saint Paul PL, Baltimore, MD 21202
- Phone
- (410) 332-1616
- Enumerated
- Dec 13, 2006
- Record last updated
- Jul 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 251311100 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 301 Saint Paul PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahwish Ali, M.D., MBAInternal Medicine Physician1831358936
- Edgar Alonsozana, MDClinical Pathology/Laboratory Medicine Physician1649212085
- Mark Applefeld, MDCardiovascular Disease Physician1124060215
- Raymond Astor, PA-CMedical Physician Assistant1578756896
- Nicholas Athas, PASurgical Physician Assistant1891945887
- Sharadha Avula, DDSPediatric Dentistry1598956427
Verify Michael Peter Zimring in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D15480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
26 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin11 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.
Michael Peter Zimring among 3,904 internal medicine physician records in Maryland
Michael Peter Zimring, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pratima Bose, M.D.Baltimore, MD 212021376599977
- Majid Cina, MDBaltimore, MD 212021790767531
- Gary Friedman, MDBaltimore, MD 212021023016680
- Jeffrey Gaber, M.D.Baltimore, MD 212021386611853
- Albert Han, MDBaltimore, MD 212021538141106
- Tara Hebert, M.D.Baltimore, MD 212021225089337
- Nilesh Kalyanaraman, M.D.Baltimore, MD 212021639140239
- Colleen Leavitt, MDBaltimore, MD 212021528042959
Common questions
What is Michael Peter Zimring, M.D.'s NPI number?
Michael Peter Zimring, M.D.'s National Provider Identifier (NPI) is 1639230279, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Peter Zimring, M.D. located?
The NPPES record lists a practice address at 301 Saint Paul PL, Baltimore, MD, 21202. Phone: (410) 332-1616. Providers update this record themselves, so call before visiting.
How can I verify Michael Peter Zimring, M.D.'s license?
NPPES lists Maryland license number D15480, 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 Michael Peter Zimring, M.D. prescribe under Medicare Part D?
In 2024, Michael Peter Zimring, M.D. had 26 Medicare Part D claims for 14 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.