Mark Howshar, MD
NPI 1891710547 · Body Imaging Physician · Cheyenne, WY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Howshar, MD is a Body Imaging Physician provider in Cheyenne, WY (NPI 1891710547).
Provider details
- NPI number
- 1891710547
- Entity type
- Individual
- Primary specialty
- Body Imaging PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- TM2012-0809 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
7,338 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 782 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 396 | $38 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 307 | $82 |
| X-Ray of Chest, 2 Views71046 | 274 | $23 |
| Screening Mammography77067 | 241 | $124 |
| Screening 3d Breast Mammography77063 | 240 | $50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 677 N Wilmot RdTucson, AZ 85711-2701Phone: (520) 795-2889
- 22 Corporate Plaza DrNewport Beach, CA 92660-7985Phone: (949) 722-7038
- 234 Goodman StCincinnati, OH 45219-2364Phone: (513) 584-7355Fax: (513) 584-0431
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Mark Howshar's NPI number?
- Mark Howshar's National Provider Identifier (NPI) is 1891710547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Howshar's specialty?
- Mark Howshar is listed in the NPPES registry with a primary specialty of Body Imaging Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Howshar located?
- Mark Howshar's practice location on file with NPPES is 2003 Bluegrass Cir, Cheyenne, WY 82009-7329.
- What is Mark Howshar's phone number?
- The practice phone number listed in the NPPES registry for Mark Howshar is (307) 634-7711.
- Does Mark Howshar accept Medicare?
- Mark Howshar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Howshar's NPI active?
- Yes — Mark Howshar's NPI (1891710547) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.