Leayn June Dillon, D.O.
Obstetrics & Gynecology Physician · Cheyenne, WY
Leayn June Dillon, D.O. is an obstetrics & gynecology physician with a practice address in Cheyenne, Wyoming, and NPI 1912031469, issued on Mar 15, 2007. Check the license (Wyoming 7826A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Leayn June Dillon
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 7826A WY
Self-reported in NPPES; status is on the state search - Practice location
- 800 E 20TH St, Cheyenne, WY 82001
- Phone
- (307) 637-7700
- Enumerated
- Mar 15, 2007
- Record last updated
- Sep 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (307) 637-5672
- Medicaid ID
- 126254800 WY
- Medicare enrollment
- Enrolled (PECOS I20241122000553); accepts Medicare assignment
- 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
- William Harrison, MDInternal Medicine Physician1295718013
- 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 Leayn June Dillon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 7826ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 17 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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): 86.2 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
- Obhg Arizona PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wyoming
There are 72 obstetrics & gynecology physician records in Wyoming.
Other obstetrics & gynecology physician records in Wyoming
- Peter Allyn, M.D.Rock Springs, WY1801991013
- Jeffrey Anderson, D.O.Gillette, WY1043223696
- Giovannina Anthony, MDWilson, WY1831268622
- Austin Barnes, MDCheyenne, WY1952830317
- Naga Battala, M.D.Rock Springs, WY1730372830
- David Beck, MDGillette, WY1073626339
- Patricia Bell, DOCasper, WY1427026277
- Steven Beverly, MDSheridan, WY1700878279
- Angela Biggs, MDGillette, WY1689787814
- Stefani Bissonette, MDDouglas, WY1407200660
Common questions
What is Leayn June Dillon, D.O.'s NPI number?
Leayn June Dillon, D.O.'s National Provider Identifier (NPI) is 1912031469, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leayn June Dillon, D.O. located?
The NPPES record lists a practice address at 800 E 20TH St, Cheyenne, WY, 82001. Phone: (307) 637-7700. Providers update this record themselves, so call before visiting.
How can I verify Leayn June Dillon, D.O.'s license?
NPPES lists Wyoming license number 7826A, 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 Leayn June Dillon, D.O. prescribe under Medicare Part D?
In 2024, Leayn June Dillon, D.O. had 38 Medicare Part D claims for 17 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Leayn June Dillon, D.O.'s MIPS final score?
The 2023 MIPS final score is 86.2 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.