Gregory Kato

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A80703 Issued in CA

Practice address

2500 Grant Rd
2ND Floor, Suite C-D
Mountain View, CA 94040-4302

Phone

(408) 739-6000

NPI assigned

Sep 20, 2006

Sex

Male

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 1

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hospitalist

Education

Tufts University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• El Camino Health Hospital, Mountain View, CA, CCN 050308

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.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group
• County of Santa Clara

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1699885079
  Medicare reassignment NPD
• County of Santa Clara

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1336135912
  NPD
• County of Santa Clara

  • Pharmacy
  • San Jose, CA
  • NPI 1891871919
  NPD
• Avant Inpatient Services Medical Group, Inc

  • Internal Medicine Physician
  • Castro Valley, CA
  • NPI 1336106897
  NPD (past)
• Camino Medical Group

  • Obstetrics & Gynecology Physician
  • Mountain View, CA
  • NPI 1487607271
  NPD (past)

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

• El Camino Hospital

  • General Acute Care Hospital
  • Mountain View, CA
  • NPI 1093712374
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1417199340
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1457594087
  Care Compare affiliation

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778198400000",
    "number": "1104924760",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "701 E EL CAMINO REAL",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940402833",
            "telephone_number": "408-739-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 GRANT RD",
            "address_2": "2ND FLOOR, SUITE C-D",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940404302",
            "telephone_number": "408-739-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 E El Camino Real",
            "address_purpose": "LOCATION",
            "city": "Mountain View",
            "state": "CA",
            "postal_code": "940402833",
            "country_code": "US",
            "telephone_number": "650-988-8479",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATO",
        "first_name": "GREGORY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-20",
        "last_updated": "2026-05-08",
        "certification_date": "2026-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A80703",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "A80703",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jesse Karmazin, M.D.
• Seema Karnik, R.D.
• Edward Karpman, MD
• Matthew Kasch
• Dunia Kassay, LICSW
• Natalie Kato
• Kate Kresge Katz, LMFT
• Kelby Katz
• Maor Katz, MD
• Michael B. Katz, D.D.S.

• Hospitalist Physician in Mountain View, CA
• Providers in Mountain View, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 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.