Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James J. Williams, M.D.

Pediatrics Physician in Santa Barbara, CA · enumerated 2006.

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

National Provider Identifier

1700964020

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Registry record

Entity type Individual (Type 1)

Name James J. Williams

Credential M.D.

Sex Male

Practice address 300 N San Antonio Rd, Santa Barbara, CA, 93110

Phone (805) 737-6400

Fax (805) 737-6420

Enumeration date Nov 2, 2006

Last updated in NPPES Dec 20, 2011

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A024808 (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

What specialty is James Williams?

James Williams is registered in NPPES with the primary taxonomy of Pediatrics 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.

Other providers at this practice address

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Physicians' Medical Group Public Health & General Preventive Medicine Physician · Santa Barbara, CA NPI 1083689368 Santa Barbara County Public Health Dept Public Health & General Preventive Medicine Physician · Santa Barbara, CA NPI 1013958172 Santa Barbara County Auditor General Acute Care Hospital · Santa Barbara, CA NPI 1134162613 Santa Barbara County Public Health Dept Pediatrics Physician · Santa Barbara, CA NPI 1750326435 Santa Barbara County Public Health Dept Family Medicine Physician · Santa Barbara, CA NPI 1417987959 Santa Barbara County Public Health Dept Public Health & General Preventive Medicine Physician · Santa Barbara, CA NPI 1144250788 Josephine Preciado Internal Medicine Physician · Santa Barbara, CA NPI 1013948256 Peter Hasler Pediatrics Physician · Santa Barbara, CA NPI 1841210523

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-20.