Greg L Thorgaard, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

24334 Issued in IA

Practice address

1005 Pennsylvania Ave
Suite 110
Ottumwa, IA 52501-6413

Phone

(641) 682-8571

Fax

(641) 682-8573

NPI assigned

Aug 12, 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

Practice roles

Locations

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.

• Wolfe Clinic Inc

  • Ophthalmology Physician
  • Marshalltown, IA
  • NPI 1477532174
  NPD
• Heartland Eye Care PLC

  • Durable Medical Equipment & Medical Supplies
  • Albia, IA
  • NPI 1942391610

  Ophthalmology

  NPD (past)

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

{
    "created_epoch": "1123804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770585366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1005 PENNSYLVANIA AVE",
            "address_2": "SUITE 110",
            "city": "OTTUMWA",
            "state": "IA",
            "postal_code": "525016413",
            "telephone_number": "641-682-8571",
            "fax_number": "641-682-8573"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1005 PENNSYLVANIA AVE",
            "address_2": "SUITE 110",
            "city": "OTTUMWA",
            "state": "IA",
            "postal_code": "525016413",
            "telephone_number": "641-682-8571",
            "fax_number": "641-682-8573"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THORGAARD",
        "first_name": "GREG",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "IA",
            "license": "24334",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2274084",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• The Salvation Army
• Kuriakose Varkey Thekkaniyill, MD
• Marc Thieme, RPH
• Angela Agnes Thode, PTA
• Sydney Thomas
• Elizabeth Jo Tigges, D.O.
• Gregory Wayne Titus, ARNP
• Tov Wellness PLLC
• David James Tucker, D.C.
• Susan Marie Turner, ARNP

• Ophthalmology Physician in Ottumwa, IA
• Providers in Ottumwa, IA by specialty
• Ophthalmology Physician in Iowa

• 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.