Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anjalika Pattanaik, MD

Obstetrics & Gynecology Physician in Hayward, CA · enumerated 2006.

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

National Provider Identifier

1831294339

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Registry record

Entity type Individual (Type 1)

Name Anjalika Pattanaik

Credential MD

Sex Female

Practice address 27225 Calaroga Ave, Hayward, CA, 94545

Phone (510) 342-0020

Fax (510) 342-0023

Enumeration date Sep 13, 2006

Last updated in NPPES Feb 24, 2025

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License A34253 (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
00A342530	Medicaid	CA	-

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 Anjalika Pattanaik practice?

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

What is the NPI number for Anjalika Pattanaik?

The National Provider Identifier (NPI) for Anjalika Pattanaik is 1831294339, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Senzan Hsu Obstetrics & Gynecology Physician · Hayward, CA NPI 1184677940 Pamela Simons Obstetrics & Gynecology Physician · Hayward, CA NPI 1124188115 Kenya Numan Obstetrics Physician · Hayward, CA NPI 1568501948 F. Rene Van Carr,M.D. & Marion R Kramer,M.D. Inc Specialist · Hayward, CA NPI 1689701526 Jay Garfinkle, M.D. A Professional Corporation Surgery Physician · Hayward, CA NPI 1740306703 Malcolm Garfinkle Surgery Physician · Hayward, CA NPI 1215125638 The Womens Center at St. Rose Hospital Obstetrics & Gynecology Physician · Hayward, CA NPI 1750630737 Elena Chan Obstetrics & Gynecology Physician · Hayward, CA NPI 1346738267

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-24.