Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria A. Rodriguez Ballestas, M.D.

Obstetrics & Gynecology Physician in San Jose, CA · enumerated 2011.

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

National Provider Identifier

1669768420

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Registry record

Entity type Individual (Type 1)

Name Maria A. Rodriguez Ballestas

Credential M.D.

Sex Female

Practice address 2400 Samaritan Dr Ste 105, San Jose, CA, 95124

Phone (408) 523-3870

Enumeration date Jun 21, 2011

Last updated in NPPES Jun 8, 2020

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 38711 (SC) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License A128978 (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
387110	Medicaid	SC	-

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 Maria Rodriguez Ballestas?

The National Provider Identifier (NPI) for Maria Rodriguez Ballestas is 1669768420, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maria Rodriguez Ballestas practice?

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

Other providers at this practice address

Browse all →

Marjorie Bhogal Obstetrics & Gynecology Physician · San Jose, CA NPI 1417275116 Carrie Li Obstetrics & Gynecology Physician · San Jose, CA NPI 1952746307 Kelsey Lynd Obstetrics & Gynecology Nurse Practitioner · San Jose, CA NPI 1518362466 Jeyling Chou Obstetrics & Gynecology Physician · San Jose, CA NPI 1336535277 Kristie Sutton Obstetrics & Gynecology Physician · San Jose, CA NPI 1578912614 Emily Chamberlin Nurse Practitioner · San Jose, CA NPI 1235994260

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-08.