Shamsi M. Vatannia, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A96343 Issued in CA

Practice address

27212 Calaroga Ave
Hayward, CA 94545-4339

Phone

(510) 785-5000

NPI assigned

Nov 1, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Saint Agnes Medical FoundationGroup PAC ID 7618946369, 161 clinicians

Golden Valley Health CentersGroup PAC ID 4183527187, 114 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Golden Valley Health Centers

  • Federally Qualified Health Center (FQHC)
  • Turlock, CA
  • NPI 1356445753
  Medicare reassignment Care Compare group NPD
• Saint Agnes Medical Foundation

  dba Saint Agnes Care

  • Internal Medicine Physician
  • Fresno, CA
  • NPI 1558819482
  Medicare reassignment Care Compare group
• Alameda Health System

  • Surgery Physician
  • Oakland, CA
  • NPI 1740332931
  Medicare reassignment NPD
• DHP of California Medical Group Inc

  • Obstetrics & Gynecology Physician
  • Stockton, CA
  • NPI 1679836084
  Medicare reassignment NPD
• First Choice Physician Partners

  dba Greater Modesto Medical Surgical Associates

  • Neurological Surgery Physician
  • Modesto, CA
  • NPI 1104183052
  Medicare reassignment NPD
• Obhg California, P.C.

  • Obstetrics & Gynecology Physician
  • Greenville, SC
  • NPI 1215258892

  CA

  Medicare reassignment NPD
• Alameda Health System

  dba Newark Health Center

  • Federally Qualified Health Center (FQHC)
  • Newark, CA
  • NPI 1497956288
  NPD
• First Choice Physician Partners

  • Internal Medicine Physician
  • Modesto, CA
  • NPI 1912264862

  Obstetrics & Gynecology

  NPD
• First Choice Physician Partners

  dba De La Pena Eye Clinic, A Medical Group

  • Ophthalmology Physician
  • El Monte, CA
  • NPI 1912732892
  NPD
• Golden Valley Health Centers

  dba GVHC Pharmacy

  • Community/Retail Pharmacy
  • Merced, CA
  • NPI 1093817405
  NPD
• Golden Valley Health Centers

  • Federally Qualified Health Center (FQHC)
  • Turlock, CA
  • NPI 1114434552
  NPD
• Golden Valley Health Center

  • Federally Qualified Health Center (FQHC)
  • Modesto, CA
  • NPI 1487867503
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1790863280",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27212 CALAROGA AVE",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945454339",
            "telephone_number": "510-785-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27212 CALAROGA AVE",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945454339",
            "telephone_number": "510-785-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1303 E Herndon Ave",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937203309",
            "country_code": "US",
            "telephone_number": "559-450-3026",
            "fax_number": "559-450-4481",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VATANNIA",
        "first_name": "SHAMSI",
        "middle_name": "M.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-01",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A96343",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "A96343",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A963430",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Daisy Vargas, LCSW
• Frank M. Vargas IX
• Noelia Vasquez Ramos
• Leslie Carolina Vasquez
• Miriam Vasquez
• Cecilia N Vaughn-Guy, OT
• Irma Catalina Ramirez Vaughn
• Martha Alicia Vazquez Rivera
• Jakelyne Rocha Vazquez
• Silvia Vazquez

• Obstetrics & Gynecology Physician in Hayward, CA
• Providers in Hayward, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.