Thomas Owen Maloney, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

C27620 Issued in CA

Practice address

108 Lynch Creek Way
#5
Petaluma, CA 94954-2357

Phone

(707) 763-6585

Fax

(707) 763-2788

NPI assigned

Jul 26, 2005

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1122336000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275533887",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "108 LYNCH CREEK WAY",
            "address_2": "#5",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949542357",
            "telephone_number": "707-763-6585",
            "fax_number": "707-763-2788"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "108 LYNCH CREEK WAY",
            "address_2": "#5",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949542357",
            "telephone_number": "707-763-6585",
            "fax_number": "707-763-2788"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALONEY",
        "first_name": "THOMAS",
        "middle_name": "OWEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C27620",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00C276200",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Internal Medicine Physician in Petaluma, CA
• Providers in Petaluma, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.