John Michael Finley, DO

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

20A5583 Issued in CA

Practice address

13193 Central Ave Ste 100
Chino, CA 91710-4179

Phone

(909) 464-9675

NPI assigned

Jun 16, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

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

Internal MedicineAlso: Osteopathic Manipulative Medicine

Education

Midwestern University, Chicago College of Osteopathic Med, 1986

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Health Service AllianceGroup PAC ID 4587642467, 14 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: jfinley575148@direct.llu.edu

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.

• Health Service Alliance

  • Family Medicine Physician
  • Chino, CA
  • NPI 1801307368
  Medicare reassignment Care Compare group NPD
• Health Service Alliance

  • Family Medicine Physician
  • Hesperia, CA
  • NPI 1689492167
  NPD
• Health Service Alliance

  • Family Medicine Physician
  • Rancho Cucamonga, CA
  • NPI 1861181216
  NPD
• Arrowhead Cardiology Medical Group

  • Cardiovascular Disease Physician
  • Colton, CA
  • NPI 1437230067
  NPD (past)
• Foothills Psychological Services, Inc.

  • Psychologist
  • Upland, CA
  • NPI 1336121888
  NPD (past)

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

{
    "created_epoch": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1922042076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13193 CENTRAL AVE STE 100",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917104179",
            "telephone_number": "909-464-9675"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13193 CENTRAL AVE STE 100",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917104179",
            "telephone_number": "909-464-9675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FINLEY",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-16",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "20A5583",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A5583",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX55830",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Fenny Virgin, DDS, Inc.
• Patricia Fernandez, M.A., PH.D.
• George Ferrer
• Haidee Sally Ferrer, LMFT
• Christina Maria Fetcho, PSY.D
• Adrienne Fino
• Firefly Global LLC
• Firmalino-Castaneda Dental, Inc.
• Firmalino-Castaneda Dentistry, Inc
• Pierre Franklin Fayo Firmalino, DDS

• Rheumatology Physician in Chino, CA
• Providers in Chino, CA by specialty
• Rheumatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 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.