Registry data as of Aug 27, 2026

John Byrne, D.O.

Internal Medicine Physician · Aberdeen, MD

John Byrne, D.O. is an internal medicine physician with a practice address in Aberdeen, Maryland, and NPI 1376509075, issued on Apr 22, 2006. Check the license (Maryland H059435, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376509075
Name
John Byrne
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
H059435 MD
Self-reported in NPPES; status is on the state search
Practice location
995 Hospitality Way, Aberdeen, MD 21001
Phone
(410) 306-7880
Enumerated
Apr 22, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 995 Hospitality Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Julianne Davis, PA-CPhysician Assistant1518002484
  2. Jason Fay, PAPhysician Assistant1104840651
  3. Kimberly Harmon, PA-CPhysician Assistant1639504947
  4. Bruce Kinzinger, MDFamily Medicine Physician1174552012
  5. Tracy Lazarony-Rudd, PA-CPhysician Assistant1104885805
  6. Nicholas MagnoStudent in an Organized Health Care Education/Training Program1174983381

Verify John Byrne in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H059435
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

7 internal medicine physician records list a Aberdeen practice address

They are 7 of the 361 NPPES records with a Aberdeen practice address, and 4,220 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Maryland

  1. Joshua Aaron, MDElkton, MD1396703351
  2. Alina Aasim, M.D.Baltimore, MD1174057905
  3. Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
  4. Rasheed Abassi, M.D.Clinton, MD1376608620
  5. Shastine Abate, MDBaltimore, MD1922199405
  6. Ghulam Abbas, MDFrederick, MD1477658045
  7. Hashim AbbasBaltimore, MD1396171070
  8. Shamima Abbas, MDKensington, MD1750445896
  9. Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
  10. Arsalan Abbasi, MDWestminster, MD1942762604

Common questions

What is John Byrne, D.O.'s NPI number?

John Byrne, D.O.'s National Provider Identifier (NPI) is 1376509075, issued on Apr 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Byrne, D.O. located?

The NPPES record lists a practice address at 995 Hospitality Way, Aberdeen, MD, 21001. Phone: (410) 306-7880. Providers update this record themselves, so call before visiting.

How can I verify John Byrne, D.O.'s license?

NPPES lists Maryland license number H059435, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.