William Frank Maxwell, D.C. – Chiropractor

Key facts

NPI: 1477537389
Entity type: Individual (NPI type 1)
Primary specialty: Chiropractor 111N00000X
License: 4971 (IA)
Practice address: 221 South Cherry St.
Shell Rock, IA 50670-0635
Phone: (319) 885-4353
NPI assigned: Dec 5, 2005
Sex: Male
Sole proprietor: No

Medicare participation

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

National Provider Directory

Medicare enrollment (NPD): Yes

State licenses

License	State	Type	Specialty
4971	IA	MD	Chiropractor

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Chiropractor	111N00000X	4971	IA	Yes

Addresses

Primary practice location

221 South Cherry St.
Shell Rock, IA 50670-0635

Mailing address

PO Box 635
221 South Cherry St.
Shell Rock, IA 50670-0635
Phone (319) 885-4353

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Jul 13, 2026.

{
    "created_epoch": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1477537389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 635",
            "address_2": "221 SOUTH CHERRY ST.",
            "city": "SHELL ROCK",
            "state": "IA",
            "postal_code": "506700635",
            "telephone_number": "319-885-4353"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 SOUTH CHERRY ST.",
            "city": "SHELL ROCK",
            "state": "IA",
            "postal_code": "506700635",
            "telephone_number": "319-885-4353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAXWELL",
        "first_name": "WILLIAM",
        "middle_name": "FRANK",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "IA",
            "license": "4971",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Shell Rock, IA

All providers in Shell Rock, IA · Chiropractor in Iowa

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 13, 2026. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.