Zachary Richard Grossmann, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD-57485 Issued in IA

Practice address

300 W Hutchings St
Winterset, IA 50273-2109

Phone

(515) 462-2373

NPI assigned

Jun 5, 2023

Last updated

Sep 23, 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in KS

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: zachary.grossmann@hca3.eclinicaldirectplus.com

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

{
    "created_epoch": "1685923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1578257572",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 W HUTCHINGS ST",
            "city": "WINTERSET",
            "state": "IA",
            "postal_code": "502732104",
            "telephone_number": "515-462-2373"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 W HUTCHINGS ST",
            "city": "WINTERSET",
            "state": "IA",
            "postal_code": "502732109",
            "telephone_number": "515-462-2373"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1010 N Kansas St",
            "address_purpose": "LOCATION",
            "city": "Wichita",
            "state": "KS",
            "postal_code": "672143124",
            "country_code": "US",
            "telephone_number": "316-293-2665",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSSMANN",
        "first_name": "ZACHARY",
        "middle_name": "RICHARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-05",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "MD-57485",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "KS",
            "license": "94-11506",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anthony Wayne Flatt
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• Teri S Formanek, M.D.
• Kevin Michael Gabbert, LISW
• Brandon Loren Gerleman
• GRX Holdings LLC (Medicap Pharmacy)
• Laura F Hagen, ARNP
• Eve Harris, PA-C
• Elizabeth Jane Harrison
• Virginia Hawthorne, ARNP

• Family Medicine Physician in Winterset, IA
• Providers in Winterset, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.