Terence R Offenberger, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A64290 Issued in CA

Practice address

15 Mareblu
Ste. 100
Aliso Viejo, CA 92656-3015

Phone

(949) 448-0656

Fax

(949) 425-2465

NPI assigned

Nov 3, 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": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023009586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2501 PULLMAN ST",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927055511",
            "telephone_number": "949-437-9063",
            "fax_number": "949-437-9069"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 MAREBLU",
            "address_2": "STE. 100",
            "city": "ALISO VIEJO",
            "state": "CA",
            "postal_code": "926563015",
            "telephone_number": "949-448-0656",
            "fax_number": "949-425-2465"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OFFENBERGER",
        "first_name": "TERENCE",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A64290",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A642900",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Internal Medicine Physician in Aliso Viejo, CA
• Providers in Aliso Viejo, 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.