Stephen James Asay, MD
Family Medicine Physician · Thermopolis, WY
Stephen James Asay, MD is a family medicine physician with a practice address in Thermopolis, Wyoming, and NPI 1336637529, issued on Apr 24, 2018. Check the license (Wyoming 13304A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen James Asay
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 13304A WY
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Arapahoe St, Thermopolis, WY 82443
- Phone
- (307) 864-3121
- Enumerated
- Apr 24, 2018
- Record last updated
- Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (307) 864-5050
- Medicare enrollment
- Enrolled (PECOS I20210726002018); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Also registered at 150 E Arapahoe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ellen Edwards, RDN LDRegistered Dietitian1992265938
- Margaret Forgey, RDRegistered Dietitian1033318795
- Priscilla Haddix, RNEmergency Registered Nurse1295679595
- Nicole Jamieson, D.OSurgery Physician1649621186
- Alyssa LamagnaOccupational Therapist1235812785
- Jessica Norris, RNRegistered Nurse1952282337
Verify Stephen James Asay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 13304ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average family medicine physician in 2024
6,407 Medicare Part D claims for 339 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 205 claims were for opioids.
Most prescribed
- Levothyroxine Sodium264 claims
- Omeprazole213 claims
- Atorvastatin Calcium194 claims
- Losartan Potassium183 claims
- Furosemide177 claims
- Tamsulosin Hcl175 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Hot Springs County Hospital DistrictWorland, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen James Asay among 400 family medicine physician records in Wyoming
Stephen James Asay, MD is one of 400 family medicine physician records with a practice address in Wyoming. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.
- NPI issued2018 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · median 2009 among the 229 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Thermopolis
They are 8 of the 98 NPPES records with a practice address in Thermopolis, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Thermopolis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hallie Bischoff, D.O.Thermopolis, WY 824431255770814
- Wade Bomengen, M.D.Thermopolis, WY 824431710959168
- Joy Magruder, MDThermopolis, WY 824431063598514
- Mattson Mathey, M.D.Thermopolis, WY 824431811374010
- Thomas Radosevich, M.D.Thermopolis, WY 824431114969698
- Jason Weyer, D.O.Thermopolis, WY 824431417902354
- Megan Winger, MDThermopolis, WY 824431073139887
- Dean Bartholomew, MDPowell, WY 824351053306662
Common questions
What is Stephen James Asay, MD's NPI number?
Stephen James Asay, MD's National Provider Identifier (NPI) is 1336637529, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stephen James Asay, MD located?
The NPPES record lists a practice address at 150 E Arapahoe St, Thermopolis, WY, 82443. Phone: (307) 864-3121. Providers update this record themselves, so call before visiting.
How can I verify Stephen James Asay, MD's license?
NPPES lists Wyoming license number 13304A, 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 Stephen James Asay, MD prescribe under Medicare Part D?
In 2024, Stephen James Asay, MD had 6,407 Medicare Part D claims for 339 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Stephen James Asay, MD's MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.