William Anthony Harrison, MD

Individual provider Active NPI Internal Medicine Physician · Cheyenne, WY

NPI 1295718013 · NPPES record last updated Nov 8, 2022

Key facts

NPI
1295718013
Entity type
Individual (NPI type 1)
Primary specialty
Internal Medicine Physician 207R00000X
License
5769A (WY)
Practice address
800 E 20TH St
Suite 350
Cheyenne, WY 82001-3859
Phone
(307) 996-1560
Fax
(307) 996-1565
NPI assigned
Nov 25, 2005
Sex
Male
Sole proprietor
No

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Internal Medicine
Education
Creighton University School of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cheyenne Regional Physicians Group LLC (101 clinicians)

Practice addresses (Care Compare)

4116 Laramie St
Cheyenne, WY 82001-1969
Phone (307) 635-7961

Hospital & facility affiliations

  • Cheyenne Regional Medical Center Home Care Services Home health agency · Cheyenne, WY · CCN 537014
  • Eden Home Health Home health agency · Cheyenne, WY · CCN 537836
  • Enhabit Home Health Home health agency · Laramie, WY · CCN 537077
  • Cheyenne Regional Medical Center Hospital · Cheyenne, WY · CCN 530014

Medicare participation

Medicare fee-for-service enrollment
Enrolled in WY
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20080131000162 WY Practitioner - Internal Medicine 2961584867 Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Cheyenne Regional Physicians Group, LLC Current
since Oct 1, 2011
Accepting new patients
College Drive Urgent Care LLC Current
since May 4, 2025
Accepting new patients
Memorial Hospital of Laramie County Current
since Jan 1, 2008
Accepting new patients
Wops Inc Current Accepting new patients
Medi Horizons Inc Past Accepting new patients
Cheyenne Children'S Clinic, PC Past Accepting new patients

Locations

800 E 20th St
Cheyenne, WY 82001
Phone (307) 632-6637

4116 Laramie St
Cheyenne, WY 82001
Phone (307) 634-9311

800 E 20th St
Ste 200
Cheyenne, WY 82001
Phone (307) 633-7444

214 E 23rd St
Cheyenne, WY 82001
Phone (307) 324-2221

5050 Powderhouse Rd
Cheyenne, WY 82009
Phone (307) 634-1311

214 E 23rd St
#C
Cheyenne, WY 82001

800 E 20th St
Ste 350
Cheyenne, WY 82001
Phone (307) 637-7700

2030 Bluegrass Cir
Cheyenne, WY 82009
Phone (307) 635-3500

Interoperability endpoints

  • Direct secure messaging: wharrison3887@direct.crmcwy.org

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 5769A WY Yes

Addresses

Primary practice location

800 E 20TH St
Suite 350
Cheyenne, WY 82001-3859

Mailing address

PO Box 20970
Cheyenne, WY 82003-7020
Phone (307) 996-1560

Other identifiers

IdentifierTypeStateIssuer
5769AOtherWYSTATE LICENSE
110746100MedicaidWY
710WH95OtherWYSUBSTANCE CONTROL

Electronic endpoints

TypeEndpointUseAffiliation
Direct Messaging Address wharrison3887@direct.crmcwy.org Direct Memorial Hospital of Laramie County
Direct Messaging Address wharrison3887@direct.crmcwy.org Health Information Exchange (HIE) Memorial Hospital of Laramie County

Other providers in Cheyenne, WY

All providers in Cheyenne, WY · Internal Medicine Physician in Wyoming

Sources for this page

Verify at the official NPI Registry.