Leo Daniel Hart, CRNA

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

D054447 Issued in IA

Practice address

801 13TH St
Charles City, IA 50616-3443

Phone

(641) 228-1143

Fax

(641) 228-7621

NPI assigned

Mar 14, 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

Certified Registered Nurse

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.

• Mason City Ambulatory Surgery Center, LLC

  dba Mason City Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Mason City, IA
  • NPI 1902841398
  NPD (past)

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

{
    "created_epoch": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1053389296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 13TH ST",
            "city": "CHARLES CITY",
            "state": "IA",
            "postal_code": "506163443",
            "telephone_number": "641-228-1143",
            "fax_number": "641-228-7621"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 13TH ST",
            "city": "CHARLES CITY",
            "state": "IA",
            "postal_code": "506163443",
            "telephone_number": "641-228-1143",
            "fax_number": "641-228-7621"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HART",
        "first_name": "LEO",
        "middle_name": "DANIEL",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IA",
            "license": "D054447",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0126649",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Dennis Leroy Grant, PT PHYSICAL THERAPIS
• Greig R Grimm, DDS
• Natalie Hable, DPT
• Judi L Halbach, NP
• Harms Pharmacy Inc (Conners Clinic Pharmacy)
• Michael Hemming, DDS
• Jodi Lynn Heyer, PA C
• Hometown Dental, Inc.
• Hy-Vee Inc (Hy0Vee Pharmacy (1074))
• Iarc CC, LLC (Apple Valley Place)

• Registered Nurse in Charles City, IA
• Providers in Charles City, IA by specialty
• Registered Nurse 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.