Todd M Grehl, MD

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

G16965 Issued in CA

Practice address

3998 Vista Way
#C204
Oceanside, CA 92056

Phone

(760) 726-2500

Fax

(760) 726-3279

NPI assigned

Feb 24, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

Practice roles

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.

• Todd M Grehl MD Inc

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Oceanside, CA
  • NPI 1932175460
  NPD (past) Authorized official

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

{
    "created_epoch": "1140739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1720054257",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1970",
            "city": "RANCHO SANTA FE",
            "state": "CA",
            "postal_code": "92067",
            "telephone_number": "760-726-2500",
            "fax_number": "760-726-3279"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3998 VISTA WAY",
            "address_2": "#C204",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "92056",
            "telephone_number": "760-726-2500",
            "fax_number": "760-726-3279"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREHL",
        "first_name": "TODD",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "CA",
            "license": "G16965",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G169650",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Richard M Greene Jr., PHD
• Parisa Tamasebi Greenland, OMT
• Melissa Greenway
• Sara Greetis, RD, CSOWM
• Gregorio V. Tolentino, D.D.S. Inc.
• Catherine Greitzer
• Kym G. Grey, LCSW
• Austin Edward Grieg, DO
• Charity Grieshaber
• Jane Griffin, LCSW

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Oceanside, CA
• Providers in Oceanside, CA by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) 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.