Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ryan F Brown, M.D.

Otolaryngology Physician in Santa Rosa, CA · enumerated 2006.

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

National Provider Identifier

1497768881

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Registry record

Entity type Individual (Type 1)

Name Dr. Ryan F Brown

Credential M.D.

Sex Male

Practice address 401 Bicentennial Way, Santa Rosa, CA, 95403

Phone (707) 393-4427

Enumeration date Aug 15, 2006

Last updated in NPPES Feb 7, 2023

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 51198 (CO) Secondary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License N7781 (TX) Secondary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License C177627 (CA) 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
21828784	Medicaid	CO	-
022592	Other	CO	KAISER COMMERCIAL NUMBER
282206602	Other	TX	CSHCN
282206601	Medicaid	TX	-

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

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.

What specialty is Ryan Brown?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-07.