NPPES file of Aug 9, 2026

Peter Julian Horneffer, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Cumberland, MD

Peter Julian Horneffer, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Cumberland, Maryland, and NPI 1437145356, issued on Sep 26, 2005. Check the license (Maryland D0030446, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437145356
Name
Peter Julian Horneffer
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
D0030446 MD
Self-reported in NPPES; status is on the state search
Practice location
12502 Willowbrook RD, Cumberland, MD 21502
Phone
(240) 964-8724
Enumerated
Sep 26, 2005
Record last updated
Aug 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(240) 964-8735
Medicaid ID
07135110 MD
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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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 92 in Maryland → Look up another NPI →

Also registered at 12502 Willowbrook RD

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

  1. Krystal Abucevicz-Swick, CRNPNurse Practitioner1750867362
  2. Juan Arrisueno, M.D., PASurgery Physician1851393565
  3. Sheba Asghar, M.D.Endocrinology, Diabetes & Metabolism Physician1780865758
  4. Syed Zain Ayaz, M.DCritical Care Medicine (Internal Medicine) Physician1437405388
  5. Ayham Bataineh, M.D.Critical Care Medicine (Internal Medicine) Physician1972904365
  6. Sheena Buskirk, DOFamily Medicine Physician1396273520

Verify Peter Julian Horneffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0030446    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

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Peter Julian Horneffer among 92 thoracic surgery (cardiothoracic vascular surgery) physician records in Maryland

Peter Julian Horneffer, MD is one of 92 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Maryland. 65% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% 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 208G00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Maryland

There are 92 thoracic surgery (cardiothoracic vascular surgery) physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 92 in Maryland → Every provider in Cumberland → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Mark Nelson, M.D.Cumberland, MD 215021134111743
  2. Stephen Cattaneo, M.D.Annapolis, MD 214011356491450
  3. Karl Holschuh, MDAnnapolis, MD 214011548269343
  4. Avedis Meneshian, M.D.Annapolis, MD 214011669522751
  5. David Myers, M.D., F.A.C.S.Annapolis, MD 214011033745336
  6. Mark Soberman, M.D.Frederick, MD 217011407817018
  7. Stephen Broderick, MDBaltimore, MD 212871699934828
  8. Duke Cameron, M.D.Baltimore, MD 212871336107689

Common questions

What is Peter Julian Horneffer, MD's NPI number?

Peter Julian Horneffer, MD's National Provider Identifier (NPI) is 1437145356, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter Julian Horneffer, MD located?

The NPPES record lists a practice address at 12502 Willowbrook RD, Cumberland, MD, 21502. Phone: (240) 964-8724. Providers update this record themselves, so call before visiting.

How can I verify Peter Julian Horneffer, MD's license?

NPPES lists Maryland license number D0030446, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.