Manasi Kaustubh Mahajan, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A206656 Issued in CA

Practice address

700 Lawrence Expy
Santa Clara, CA 95051-5173

Phone

(408) 851-5300

NPI assigned

Apr 6, 2021

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TX, CA2 enrollments

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 2

Specialty

Emergency MedicineAlso: Hospice/Palliative Care

Education

Wayne State University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaiser Foundation Hospital-Santa Clara Hospital, Santa Clara, CA, CCN 050071
• Ascension Seton Medical Center Austin Hospital, Austin, TX, CCN 450056
• Ascension Seton Hays Hospital, Kyle, TX, CCN 670056

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment Care Compare group
• Travis County Emergency Physicians PA

  • Emergency Medicine Physician
  • Austin, TX
  • NPI 1962440933
  Medicare reassignment NPD
• Hospice Austin

  • Community Based Hospice Care Agency
  • Austin, TX
  • NPI 1376503201
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Kaiser Foundation Hospitals

  • General Acute Care Hospital
  • Santa Clara, CA
  • NPI 1326119967
  Care Compare affiliation
• Ascension Seton

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1164526786
  Care Compare affiliation
• Ascension Seton

  • General Acute Care Hospital
  • Kyle, TX
  • NPI 1619115383
  Care Compare affiliation

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

{
    "created_epoch": "1617667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1801475942",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173",
            "telephone_number": "408-851-5300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173",
            "telephone_number": "408-851-5300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHAJAN",
        "first_name": "MANASI",
        "middle_name": "KAUSTUBH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-06",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A206656",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnectprodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "275 W MacArthur Blvd",
            "city": "Oakland",
            "state": "CA",
            "country_code": "US",
            "postal_code": "946115641",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mary Magee, MSPT
• Jennifer Yvette Magness, PHARMD
• Robyn Lynne Mah, PHARM.D.
• Catherine Jean Mahaffie, AU.D.
• Ashwini S. Mahajan, MD
• Ajit Mahapatra, MD
• Suresh Maharjan, MD
• Elham Mahdavi, DDS
• Somiya Maheshwari, MD
• Margaret Anne Mahony, MD

• Emergency Medicine Physician in Santa Clara, CA
• Providers in Santa Clara, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 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.