Ida G Leong, M.D.

Primary specialty

General Practice PhysicianTaxonomy code 208D00000X

License

C38441 Issued in CA

Practice address

320 River St
Santa Cruz, CA 95060-2723

Phone

(831) 272-4324

Fax

(831) 457-2328

NPI assigned

Aug 25, 2005

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 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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

General Practice

Education

Tufts University School of Medicine, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Dominican Hospital Hospital, Santa Cruz, CA, CCN 050242

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 NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Stockton, CA
  • NPI 1548343510
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD

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

• Dignity Health

  • General Acute Care Hospital
  • Santa Cruz, CA
  • NPI 1427181007
  Care Compare affiliation

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

{
    "created_epoch": "1124928000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1447243365",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "603 ARROYO SECO",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950603147",
            "telephone_number": "831-462-4595",
            "fax_number": "831-457-2328"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 RIVER ST",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950602723",
            "telephone_number": "831-272-4324",
            "fax_number": "831-457-2328"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONG",
        "first_name": "IDA",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-25",
        "last_updated": "2026-07-13",
        "certification_date": "2021-04-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "C38441",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NO.",
            "identifier": "C38441",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Beverly Lemus
• Cecilia Leng, DO
• Lara Lenington, PSY.D.
• Cesar Leon
• Rebecca Leonard, LAC
• Veronica Leonor
• Krista Leontieff
• Joan E Lerner, O.T.R. - L.
• Martha Louise Letchinger
• Ilona Letmanyi, MD

• General Practice Physician in Santa Cruz, CA
• Providers in Santa Cruz, CA by specialty
• General Practice Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.