Loretta Register O'Donnell, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

4301053528 Issued in MI

Practice address

4705 Towne Centre Road
Suite 301
Saginaw, MI 48604

Phone

(989) 793-6505

Fax

(989) 793-7411

NPI assigned

May 1, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Saginaw Valley Dermatology PC

  • Dermatology Physician
  • Saginaw, MI
  • NPI 1841252855
  NPD (past)
• Zarka Dermatology PLLC

  • Dermatology Physician
  • Lapeer, MI
  • NPI 1346958618
  NPD (past)

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

{
    "created_epoch": "1177977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1861613556",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 EAST GROVE COURT",
            "city": "FREELAND",
            "state": "MI",
            "postal_code": "48623",
            "telephone_number": "989-239-9971",
            "fax_number": "989-793-7411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4705 TOWNE CENTRE ROAD",
            "address_2": "SUITE 301",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "48604",
            "telephone_number": "989-793-6505",
            "fax_number": "989-793-7411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'DONNELL",
        "first_name": "LORETTA",
        "middle_name": "REGISTER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-01",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "UT",
            "license": "2633361205",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MI",
            "license": "4301053528",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher O'Dea, NP
• Breanne O'Deay, MSOT, OTRL
• Stephanie O'Dell
• David Brian O'Donnell, M.D.
• Jessica Ann O'Donnell, PRC
• Devin B O'Hora, NP
• Erin O'Keefe, MD
• Riley Jane O'Keefe
• Alayna Joy O'Laughlin
• Madison O'Laughlin

• Anatomic Pathology & Clinical Pathology Physician in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Anatomic Pathology & Clinical Pathology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.