Individual provider Active NPI

William David Sadler

  • Certified Registered Nurse Anesthetist
  • Ann Arbor, MI
National Provider Identifier
1841106184
Registry record updated Aug 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4704304132NSA260QI Issued in MI
Practice address
1540 E Medical Center Dr
Ann Arbor, MI 48109-0100
Phone
(734) 936-4000
NPI assigned
Aug 19, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 4704304132NSA260QI MI Primary

Addresses

Primary practice location

1540 E Medical Center Dr
Ann Arbor, MI 48109-0100

Mailing address

1518 Newport Rd
Ann Arbor, MI 48103-2320

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1787097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1841106184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1518 NEWPORT RD",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481032320"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1540 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481090100",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SADLER",
        "first_name": "WILLIAM",
        "middle_name": "DAVID",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-19",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704304132NSA260QI",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.