Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Tony Yan MD PC

Otolaryngology Physician in Baltimore, MD · enumerated 2006 · authorized official Tony Yan, Proprietor.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1699729749

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Registry record

Entity type Organization (Type 2)

Legal business name Tony Yan MD PC

Practice address 6700 Ridge Rd, Suite 3, Baltimore, MD, 21237

Phone (410) 391-3434

Fax (410) 574-7574

Enumeration date May 22, 2006

Last updated in NPPES Aug 11, 2011

Taxonomy & classification

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License MDD002366018 (MD) Primary

Authorized official

Name Tony Yan

Title Proprietor

Phone (410) 391-3434

Other identifiers

Identifier	Type	State	Issuer
781651100	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-08-11. Verify at npiregistry.cms.hhs.gov.

Where is Tony Yan MD PC located?

The practice location on file with NPPES is in Baltimore, MD.

Providers at this address

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Tony Yan Otolaryngology Physician · Baltimore, MD NPI 1073567129 Jerry Horodowicz General Practice Dentistry · Baltimore, MD NPI 1477761583 Ayokunle Ojo Nurse Practitioner · Rosedale, MD NPI 1922674944

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-11.