John Stephen Dumler, M.D.
Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
John Stephen Dumler, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Baltimore, Maryland, and NPI 1417998634, issued on Jun 9, 2006. Check the license (Maryland D39429, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Stephen Dumler
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- D39429 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 706-5072
- Enumerated
- Jun 9, 2006
- Record last updated
- Aug 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 761781000 MD
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 357 in Maryland → Look up another NPI →
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Verify John Stephen Dumler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D39429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Stephen Dumler among 357 anatomic pathology & clinical pathology physician records in Maryland
John Stephen Dumler, M.D. is one of 357 anatomic pathology & clinical pathology physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileNo · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Maryland
There are 357 anatomic pathology & clinical pathology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 357 in Maryland → Every provider in Baltimore → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Gladys Lourdes Alonsozana, M.D.Baltimore, MD 212011457313942
- John Braun, MDBaltimore, MD 212011144222878
- Lawrence Brown, M.D.Baltimore, MD 212011811951205
- Jennifer Collins, M.P.H., D.O.Baltimore, MD 212011518257278
- Rachel Fanaroff, MDBaltimore, MD 212011275055410
- Meghan Gloth, M.D.Baltimore, MD 212011336559236
- Cheng Cheng Huang, M.D.Baltimore, MD 212011487860490
- Amy Plotkin, MD, PHDBaltimore, MD 212011518317619
Common questions
What is John Stephen Dumler, M.D.'s NPI number?
John Stephen Dumler, M.D.'s National Provider Identifier (NPI) is 1417998634, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Stephen Dumler, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 706-5072. Providers update this record themselves, so call before visiting.
How can I verify John Stephen Dumler, M.D.'s license?
NPPES lists Maryland license number D39429, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.