Mark O. Riley, PA-C
Physician Assistant · Cody, WY
Mark O. Riley, PA-C is a physician assistant with a practice address in Cody, Wyoming, and NPI 1134220783, issued on Sep 26, 2006. Check the license (Wyoming 140, as entered in NPPES) with the Wyoming board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark O. Riley
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 140 WY
Self-reported in NPPES; status is on the state search - Practice location
- 720 Lindsay LN, Cody, WY 82414
- Phone
- (307) 578-1955
- Enumerated
- Sep 26, 2006
- Record last updated
- Oct 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (307) 578-1957
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 260 in Wyoming → Look up another NPI →
Also registered at 720 Lindsay LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adam Johnnidis, PTPhysical Therapist1427308311
- Jeremy Livingston, CO, BOCPOrthotist1033363973
- Clint Merritt, P.A.-CPhysician Assistant1659521144
Verify Mark O. Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark O. Riley among 260 physician assistant records in Wyoming
Mark O. Riley, PA-C is one of 260 physician assistant records with a practice address in Wyoming. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 76% newer
- In a Medicare fileNo · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2008 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 physician assistant records list a practice address in Cody
They are 17 of the 502 NPPES records with a practice address in Cody, and 260 physician assistant records in Wyoming. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 260 in Wyoming → Every provider in Cody → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Thomas Ahern, PA-CCody, WY 824141912099748
- Steven BischoffCody, WY 824141295282457
- Brooke Cerkovnik, PA-CCody, WY 824141881177079
- Gregory Flury, PA-CCody, WY 824141760454235
- Sonja Hein, PA-CCody, WY 824141902959265
- Clint Merritt, P.A.-CCody, WY 824141659521144
- Lauren Seitz, PA-CCody, WY 824141982160180
- Adam Sproat, PA-CCody, WY 824141376772152
Common questions
What is Mark O. Riley, PA-C's NPI number?
Mark O. Riley, PA-C's National Provider Identifier (NPI) is 1134220783, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark O. Riley, PA-C located?
The NPPES record lists a practice address at 720 Lindsay LN, Cody, WY, 82414. Phone: (307) 578-1955. Providers update this record themselves, so call before visiting.
How can I verify Mark O. Riley, PA-C's license?
NPPES lists Wyoming license number 140, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity 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. 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.