William Anthony Harrison, MD
Internal Medicine Physician · Cheyenne, WY
William Anthony Harrison, MD is an internal medicine physician with a practice address in Cheyenne, Wyoming, and NPI 1295718013, issued on Nov 25, 2005. Check the license (Wyoming 5769A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Anthony Harrison
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5769A WY
Self-reported in NPPES; status is on the state search - Practice location
- 800 E 20TH St, Cheyenne, WY 82001
- Phone
- (307) 996-1560
- Enumerated
- Nov 25, 2005
- Record last updated
- Nov 8, 2022
- Fax
- (307) 996-1565
- Medicaid ID
- 110746100 WY
- Medicare enrollment
- Enrolled (PECOS I20080131000162); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1991
- Entity
- Type 1 · individual
Also registered at 800 E 20TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Carlson, FNPCFamily Nurse Practitioner1225361470
- Shannon Cook, DNP, FNP-CFamily Nurse Practitioner1952384927
- Leayn Dillon, D.O.Obstetrics & Gynecology Physician1912031469
- Tina Hayes-Siltzer, M.S., R.D., L.D.Registered Dietitian1922209915
- Rene Hinkle, M.D.Obstetrics & Gynecology Physician1083741128
- James Hubbard, M.D.Diagnostic Radiology Physician1326083361
Verify William Anthony Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 5769ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,880 Medicare Part D claims for 568 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 441 claims were for opioids.
Most prescribed
- Atorvastatin Calcium634 claims
- Levothyroxine Sodium495 claims
- Amlodipine Besylate436 claims
- Losartan Potassium350 claims
- Lisinopril349 claims
- Pantoprazole Sodium304 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $13.84
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cheyenne Regional Physicians Group LLCCheyenne, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
25 internal medicine physician records list a practice address in Cheyenne
They are 25 of the 2,782 NPPES records with a practice address in Cheyenne, and 134 internal medicine physician records in Wyoming.
All 25 in Cheyenne → All 134 in Wyoming → Every provider in Cheyenne →
Other internal medicine physician records in Wyoming
- Juli Ackerman, MDSheridan, WY1619292927
- Molly Adami, DNP, FNP-CLaramie, WY1285356857
- Jean Allais, MDLaramie, WY1457352478
- Patrick Allen, D.O.Cody, WY1992783948
- Richard Anderson, M.D.Cody, WY1346288263
- Cynthia Archer, MDJackson, WY1275629024
- Matthew Baechle, MDCheyenne, WY1194354613
- Todd Bainter, D.O.Lander, WY1427226034
- Ahmad Bashirimoghaddam, DORock Springs, WY1487144457
- Edward Bergin, MD, MSGillette, WY1982100988
Common questions
What is William Anthony Harrison, MD's NPI number?
William Anthony Harrison, MD's National Provider Identifier (NPI) is 1295718013, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Harrison, MD located?
The NPPES record lists a practice address at 800 E 20TH St, Cheyenne, WY, 82001. Phone: (307) 996-1560. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Harrison, MD's license?
NPPES lists Wyoming license number 5769A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Anthony Harrison, MD prescribe under Medicare Part D?
In 2024, William Anthony Harrison, MD had 10,880 Medicare Part D claims for 568 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.