Ronald James Sager, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

G84858 Issued in CA

Practice address

1663 Dominican Way Ste 214
Santa Cruz, CA 95065-1556

Phone

(831) 515-7180

Fax

(831) 401-2460

NPI assigned

Jan 23, 2007

Sex

Male

Sole proprietor

Yes

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

Psychiatry

Education

University of California, Davis School of Medicine, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Ronald James Sager MD Inc

  • Psychiatry Physician
  • Santa Cruz, CA
  • NPI 1730405341
  Medicare reassignment NPD Authorized official
• Lorie Gearhart MD Inc

  • Forensic Psychiatry Physician
  • Capitola, CA
  • NPI 1568869568
  NPD
• Dignity Health

  dba Dominican Hospital

  • General Acute Care Hospital
  • Santa Cruz, CA
  • NPI 1427181007
  NPD (past)

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

{
    "created_epoch": "1169510400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1780739706",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1663 DOMINICAN WAY STE 214",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651556",
            "telephone_number": "831-515-7180",
            "fax_number": "831-401-2460"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1663 DOMINICAN WAY STE 214",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651556",
            "telephone_number": "831-515-7180",
            "fax_number": "831-401-2460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAGER",
        "first_name": "RONALD",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-23",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "G84858",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G848580",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alicia Faith Sackett
• Kevin Todd Sacks
• Safeway Inc (Safeway Pharmacy #2607)
• Safeway Inc (Safeway Pharmacy #0799)
• Taji Saffarian
• Nupur Sahai, PH. D.
• Jyotan Sahni, MD
• Kulbir Sahota, RPH
• Sophia Said
• Marlin Terelle Sain

• Psychiatry Physician in Santa Cruz, CA
• Providers in Santa Cruz, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.