William Anthony Harrison, MD
NPI 1295718013ActiveIndividual· Internal Medicine· Cheyenne, WY
Internal Medicine (MD) in Cheyenne, Wyoming, trained at Creighton University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $901,200 for 10,880 claims, against $109,898 paid for services in 2024. Abbott Laboratories reported $21.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1295718013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 25, 2005 |
| Last updated in NPPES | Nov 8, 2022 |
| Certified by provider | Nov 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5769A | WY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 535 |
|---|---|
| Services billed | 3,234 across 37 procedure codes |
| Paid by Medicare | $109,898 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,880 · 22,597 30-day fills |
|---|---|
| Patients | 568 |
| Total drug cost | $901,200 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Medical group
- Cheyenne Regional Physicians Group LLCCheyenne, WY · 103 clinicians
Hospital affiliation
- Cheyenne Regional Medical CenterCheyenne, WY
Other facilities
- Cheyenne Regional Medical Center Home Care ServicesHome health agency · Cheyenne, WY
- Eden Home HealthHome health agency · Cheyenne, WY
- Enhabit Home HealthHome health agency · Laramie, WY
Industry payments (Open Payments)
- 2025$21.60 · 1 payment from 1 company
- 2024$13.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $21.60 | 1 |
What the 2025 payments were for
- Food and Beverage$21.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Cheyenne
- 1235231028
- 1710646344
- 1730847740
- 1760141360
- 1821779810
- 1609172204
- 1134151913
- 1174259865
- 1821915455
- 1942969787
- 1700408192
- 1659911550