Quick answers
- Which hospitals does William E. Cornatzer Jr. work at?
- Medicare's official clinician data lists William E. Cornatzer Jr. at 1 hospital: Sanford Medical Center Bismarck. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Cornatzer Jr. see patients?
- Medicare's clinician data lists 1 practice location in Bismarck, ND. Call before your visit to confirm the address.
- What is William E. Cornatzer Jr.'s specialty?
- Medicare lists Dermatology as the primary specialty.
- Does William E. Cornatzer Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Cornatzer Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William E. Cornatzer Jr.?
- (701) 673-3376, as listed in official Medicare / NPI Registry data.
- What is William E. Cornatzer Jr.'s NPI number?
- 1952360711. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Cornatzer Jr. works
Medicare's Facility Affiliation Data lists William E. Cornatzer Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sanford Medical Center BismarckBismarck, ND · Acute Care Hospital · CCN 350015
Practice locations
Addresses where William E. Cornatzer Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 4207 Boulder Ridge Rd, Suite 175Bismarck, ND 58503 (701) 673‑3376
Specialties
- Dermatologyprimary
Other dermatologists in Bismarck
Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New Mexico School Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952360711 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians