Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brian Duane Prestwich, MD

Family Medicine Physician in Medford, OR · enumerated 2006 · practices at Providence Health & Services - Oregon.

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

National Provider Identifier

1922194174

Verified

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Registry record

Entity type Individual (Type 1)

Name Brian Duane Prestwich

Credential MD

Sex Male

Practice address 70 Bower Dr, Medford, OR, 97501

Phone (541) 734-3430

Fax (541) 734-3638

Enumeration date Oct 5, 2006

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD203193 (OR) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G64321 (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
192219417	Other	CA	NPI
500790439	Medicaid	OR	-

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

What is the NPI number for Brian Prestwich?

The National Provider Identifier (NPI) for Brian Prestwich is 1922194174, a Type 1 (individual) record in the CMS NPPES registry.

Where does Brian Prestwich practice?

The practice location on file with NPPES is in Medford, OR. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Aaron Williams Sports Medicine (Family Medicine) Physician · Medford, OR NPI 1578541710 Shirley Malcolm Family Medicine Physician · Medford, OR NPI 1316951510 Ahren Geilenfeldt Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · Medford, OR NPI 1316384068 Carissa Bravo Clinical Psychologist · Medford, OR NPI 1538562749 Uzomechine Chiedozi Family Medicine Physician · Medford, OR NPI 1699160903 Jennifer Deltour Family Nurse Practitioner · Medford, OR NPI 1265813729 Providence Health & Services - Oregon Family Medicine Physician · Medford, OR NPI 1346619467 Aaron Dam Family Medicine Physician · Medford, OR NPI 1851826937

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.