Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Bala P Annadurai, M.D.

Internal Medicine Physician in Fremont, CA · enumerated 2005.

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

National Provider Identifier

1033100516

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Registry record

Entity type Individual (Type 1)

Name Bala P Annadurai

Credential M.D.

Sex Female

Practice address 2147 Mowry Ave, Suite D4, Fremont, CA, 94538

Phone (510) 574-0800

Fax (510) 574-0850

Enumeration date Nov 2, 2005

Last updated in NPPES Jul 15, 2013

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A056197 (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
P00145281	Other	-	RAILROAD MEDICARE
00A561970	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

What is the NPI number for Bala Annadurai?

The National Provider Identifier (NPI) for Bala Annadurai is 1033100516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Bala Annadurai practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-15.