NPIMap

Individual provider Active NPI

Carlos Petrozzi, MD

  • Internal Medicine Physician
  • Flint, MI
National Provider Identifier
1225008485
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4301036957 Issued in MI
Practice address
401 S Ballenger Hwy
Flint, MI 48532-3638
Phone
(810) 342-1000
Fax
(810) 342-1590
NPI assigned
Jan 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 4301036957 MI Primary

Addresses

Primary practice location

401 S Ballenger Hwy
Flint, MI 48532-3638

Mailing address

401 S Ballenger Hwy
Flint, MI 48532-3638
Phone (810) 342-1000

Other identifiers 4

IdentifierTypeStateIssuer
3196950MedicaidMI
110B56125OtherMICOMMUNITY BLUE PPO
110B56125OtherMIBLUE CROSS BLUE SHIELD
1102511941OtherMIBLUE CROSS BLUE SHIELD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
McLaren Flint Current Accepting new patients
McLaren Flint Internal Medicine Past Accepting new patients
McLaren Flint Internal Medicine Past Accepting new patients

Locations

401 S Ballenger Hwy
Flint, MI 48532
Phone (810) 342-1000

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1137974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1225008485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 S BALLENGER HWY",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485323638",
            "telephone_number": "810-342-1000",
            "fax_number": "810-342-1590"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 S BALLENGER HWY",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485323638",
            "telephone_number": "810-342-1000",
            "fax_number": "810-342-1590"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETROZZI",
        "first_name": "CARLOS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301036957",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3196950",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "COMMUNITY BLUE PPO",
            "identifier": "110B56125",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "110B56125",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "1102511941",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Flint, MI

Sources for this page

  • 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.