Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark O Riley, PA-C
Physician Assistant in Cody, WY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134220783
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mark O Riley
Credential PA-C
Sex Male
Practice address 720 Lindsay Ln, Ste C, Cody, WY, 82414
Phone (307) 578-1955
Fax (307) 578-1957
Enumeration date Sep 26, 2006
Last updated in NPPES Oct 7, 2008
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 140 (WY) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 315013 | Other | WY | BLUE CROSS BLUE SHIELD |
| 753143209 | Other | WY | WIN HEALTH |
| 612315900 | Other | WY | OWCP |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mark Riley practice?
The practice location on file with NPPES is in Cody, WY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Riley?
The National Provider Identifier (NPI) for Mark Riley is 1134220783, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Big Horn Basin Orthopedic Clinic , PC Orthopaedic Surgery Physician · Cody, WY NPI 1003917683 Stephen Emery Orthopaedic Surgery Physician · Cody, WY NPI 1720189335 Frank Schmidt Orthopaedic Surgery Physician · Cody, WY NPI 1851492458 Thomas Ahern Physician Assistant · Cody, WY NPI 1912099748 Cinndie Hall Occupational Therapist · Cody, WY NPI 1619069358 Timothy Stecker Physical Therapist · Cody, WY NPI 1306938097 Yellowstone Imaging LLC Magnetic Resonance Imaging Radiologic Technologist · Cody, WY NPI 1558437913 Yellowstone Sports Medicine and Bone & Joint Clinic,LLC Orthopaedic Surgery Physician · Cody, WY NPI 1205005618
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-07.