Quick answers
- Which hospitals does Mark E. Howshar work at?
- Medicare's official clinician data lists Mark E. Howshar at 5 hospitals: Cheyenne Regional Medical Center, Kimball Health Services, Northern Cochise Community Hospital, Inc., Poudre Valley Hospital and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Howshar see patients?
- Medicare's clinician data lists 4 practice locations, including Cheyenne, WY, Kansas City, MO and San Diego, CA. Call before your visit to confirm the address.
- What is Mark E. Howshar's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark E. Howshar accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Howshar 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 Mark E. Howshar?
- (307) 634-7711, as listed in official Medicare / NPI Registry data.
- What is Mark E. Howshar's NPI number?
- 1891710547. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Howshar works
Medicare's Facility Affiliation Data lists Mark E. Howshar 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
- Kimball Health ServicesKimball, NE · Critical Access Hospital · CCN 281305
- Northern Cochise Community Hospital, Inc.Willcox, AZ · Critical Access Hospital · CCN 031302
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where Mark E. Howshar is enrolled with Medicare (CMS data updated 2026-10-02).
- 2003 Bluegrass CirCheyenne, WY 82009 (307) 634‑7711
- 2003 Bluegrass CircleCheyenne, WY 82009
- 8250 N Church RdKansas City, MO 64158 (816) 459‑7500
- 9095 Rio San Diego Dr, Suite 150San Diego, CA 92108 (858) 200‑3300
Group practices
Medicare enrollment lists Mark E. Howshar as a member of these groups (CMS data updated 2026-10-02).
- Radiology Ltd LLC107 clinicians in the group
- Synergy Orthopedic Specialists Inc68 clinicians in the group
- Cheyenne Radiology Group39 clinicians in the group
- Orthopedic Surgeons PA27 clinicians in the group
- Cheyenne Mri LLC6 clinicians in the group
- Cwip LLC5 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Cheyenne
Clinicians with the same Medicare primary specialty in Cheyenne, WY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891710547 |
| 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