Catherine RS Kay, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

23538 Issued in CA

Practice address

4077 Fifth Ave # Mer-35
San Diego, CA 92103-2105

Phone

(402) 617-3577

NPI assigned

Mar 22, 2023

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

Other names 1

• Soni Kay Other name

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

Internal Medicine

Education

Pacific NW Un of HS, Col of Osteopathic Medicine, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Family Health Centers of San Diego IncGroup PAC ID 3476446378, 299 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• Family Health Centers of San Diego, Inc

  • Federally Qualified Health Center (FQHC)
  • San Diego, CA
  • NPI 1447281936
  Medicare reassignment Care Compare group NPD
• Enlightened Healthcare Alliance Medical Corporation

  • Internal Medicine Physician
  • Encinitas, CA
  • NPI 1710458245
  Medicare reassignment
• North County Inpatient Medical Alliance, a Medical Group, Inc

  • Hospitalist Physician
  • Encinitas, CA
  • NPI 1932108115
  Medicare reassignment
• Family Health Centers of San Diego, Inc

  • Federally Qualified Health Center (FQHC)
  • Escondido, CA
  • NPI 1356178180
  NPD
• Family Health Centers of San Diego, Inc.

  • Ambulatory Surgical Clinic/Center
  • San Diego, CA
  • NPI 1326231713
  NPD

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

{
    "created_epoch": "1679443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747699200000",
    "number": "1982307633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4077 FIFTH AVE # MER-35",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921032105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4077 FIFTH AVE # MER-35",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921032105",
            "telephone_number": "402-617-3577"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 E Main St",
            "address_purpose": "LOCATION",
            "city": "El Cajon",
            "state": "CA",
            "postal_code": "920204007",
            "country_code": "US",
            "telephone_number": "619-515-2498",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1809 National Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921132113",
            "country_code": "US",
            "telephone_number": "619-515-2300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAY",
        "first_name": "CATHERINE",
        "middle_name": "RS",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-22",
        "last_updated": "2025-05-20",
        "certification_date": "2025-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "23538",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SONI",
            "last_name": "KAY",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Julie A Kawasaki, LCSW
• Megan Kaneko Kawasaki, MD
• Jonathan Kawi
• Chelsey Kawile, COTA/L
• Alexander Peter Kay, MD
• Hannah Elizabeth Kay, MD
• Hannah Kathleen Kay
• Lori Kay
• Raena M Kay
• Trang Thien Kay, NP

• Internal Medicine Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 2025; 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.