Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Philip Schuyler Mullenix, MD

Surgery Physician in Bethesda, MD · enumerated 2006.

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

National Provider Identifier

1336115716

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Registry record

Entity type Individual (Type 1)

Name Dr. Philip Schuyler Mullenix

Credential MD

Sex Male

Practice address Walter Reed National Military Medical Center, Bethesda, MD, 20889

Phone (919) 806-9688

Enumeration date Feb 27, 2006

Last updated in NPPES Apr 18, 2024

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 01055814A (IN) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 2007-01695 (NC) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 2007-01695 (NC) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
5909218	Medicaid	NC	-

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.

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Frequently asked questions

What specialty is Philip Mullenix?

Philip Mullenix is registered in NPPES with the primary taxonomy of Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-18.