Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert William Fowler, M.D.

Surgery Physician in Berkeley, CA · enumerated 2006.

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

National Provider Identifier

1891879417

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert William Fowler

Credential M.D.

Sex Male

Practice address 3010 Colby St, Suite 110, Berkeley, CA, 94705

Phone (510) 644-1152

Fax (510) 666-1087

Enumeration date Oct 24, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License C32648 (CA) Primary

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

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

Where does Robert Fowler practice?

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

What is the NPI number for Robert Fowler?

The National Provider Identifier (NPI) for Robert Fowler is 1891879417, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Brian Hinrichsen Emergency Medicine Physician · Berkeley, CA NPI 1376534792 James Nickelsen Allergy & Immunology Physician · Berkeley, CA NPI 1891772000 Mark Reiley Orthopaedic Foot and Ankle Surgery Physician · Berkeley, CA NPI 1578595468 John Mattson Orthopaedic Surgery Physician · Berkeley, CA NPI 1073545950 Amirali Rahmatian General Practice Dentistry · Berkeley, CA NPI 1851305254 Nicola Hanchock Internal Medicine Physician · Berkeley, CA NPI 1518074830 Andrew Sorenson Ophthalmology Physician · Berkeley, CA NPI 1326139981 Robert Sorenson Ophthalmology Physician · Berkeley, CA NPI 1235220799

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.