Nirupamaa Sivanushanthan, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

197934 Issued in CA

Practice address

221 Westwood PLZ
Los Angeles, CA 90095-4103

Phone

(310) 825-4073

Fax

(310) 267-1996

NPI assigned

Apr 2, 2022

Last updated

Oct 21, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Family Practice

Education

Other, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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

• Ole Health

  • Federally Qualified Health Center (FQHC)
  • Napa, CA
  • NPI 1700976503
  Medicare reassignment NPD
• Signify Health Medical Associates of California, PC

  • General Practice Physician
  • San Francisco, CA
  • NPI 1124685169
  Medicare reassignment NPD
• Ole Health

  • Federally Qualified Health Center (FQHC)
  • Fairfield, CA
  • NPI 1245043165
  NPD
• Ole Health

  • Federally Qualified Health Center (FQHC)
  • Calistoga, CA
  • NPI 1760660831
  NPD

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

{
    "created_epoch": "1648857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792540800000",
    "number": "1720729031",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "221 WESTWOOD PLZ",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900954103"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 WESTWOOD PLZ",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900954103",
            "telephone_number": "310-825-4073",
            "fax_number": "310-267-1996"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2025 Morse Ave",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958252115",
            "country_code": "US",
            "telephone_number": "916-973-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2051 John Jones Rd",
            "address_purpose": "LOCATION",
            "city": "Davis",
            "state": "CA",
            "postal_code": "956169701",
            "country_code": "US",
            "telephone_number": "530-758-2060",
            "fax_number": "530-758-8490",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIVANUSHANTHAN",
        "first_name": "NIRUPAMAA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-02",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "197934",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katie Siu, DPT
• Laurie Chang Siu, DDS
• Wayne Siu, PHARM.D.
• Priya Siva, OTR/L, ATP
• Archana Sivanandam, MD
• Gwyn O Sivertsen, NP
• Rose Howell Sivilli, MD
• Georgy Sivkov
• Siwa Medical Group Inc (Siwa Healing Center)
• Anita Six

• Family Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.