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Estrelania S Williams, M.D.

Obstetrics & Gynecology Physician in Santa Rosa, CA · enumerated 2015.

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

National Provider Identifier

1164816252

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Registry record

Entity type Individual (Type 1)
Name Estrelania S Williams
Credential M.D.
Sex Female
Practice address 500 Doyle Park Dr Ste 103, Santa Rosa, CA, 95405
Phone (707) 579-1102
Fax (707) 579-1386
Enumeration date Mar 26, 2015
Last updated in NPPES Oct 16, 2019

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License A165780 (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.

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Frequently asked questions

What is the NPI number for Estrelania Williams?
The National Provider Identifier (NPI) for Estrelania Williams is 1164816252, a Type 1 (individual) record in the CMS NPPES registry.
Where does Estrelania Williams practice?
The practice location on file with NPPES is in Santa Rosa, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-16.