Quick answers
- Which hospitals does John A. Ullrich work at?
- Medicare's official clinician data lists John A. Ullrich at 3 hospitals: Cheyenne Regional Medical Center, Ivinson Memorial Hospital and North Platte Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Ullrich see patients?
- Medicare's clinician data lists 1 practice location in Laramie, WY. Call before your visit to confirm the address.
- What is John A. Ullrich's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does John A. Ullrich accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Ullrich 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 John A. Ullrich?
- (307) 742-2142, as listed in official Medicare / NPI Registry data.
- What is John A. Ullrich's NPI number?
- 1477577542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Ullrich works
Medicare's Facility Affiliation Data lists John A. Ullrich at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cheyenne Regional Medical CenterCheyenne, WY · Acute Care Hospital · CCN 530014
- Ivinson Memorial HospitalLaramie, WY · Acute Care Hospital · CCN 530025
- North Platte Valley Medical CenterSaratoga, WY · Critical Access Hospital · CCN 531317
Practice locations
Addresses where John A. Ullrich is enrolled with Medicare (CMS data updated 2026-10-02).
- 255 N 30th StLaramie, WY 82072 (307) 742‑2142
Group practices
Medicare enrollment lists John A. Ullrich as a member of this group (CMS data updated 2026-10-02).
- Ivinson Memorial Hospital63 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Wyoming
Clinicians with the same Medicare primary specialty in Wyoming — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477577542 |
| 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