John Thomas Foster, DO
Family Medicine Physician · Casper, WY
John Thomas Foster, DO is a family medicine physician with a practice address in Casper, Wyoming, and NPI 1609512482, issued on May 5, 2022. Check the license (Wyoming 200-T1, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Thomas Foster
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 200-T1 WY
Self-reported in NPPES; status is on the state search - Practice location
- 1522 E A St, Casper, WY 82601
- Phone
- (307) 234-6161
- Enumerated
- May 5, 2022
- Record last updated
- Jun 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20250722003303); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Also registered at 1522 E A St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua AndrewStudent in an Organized Health Care Education/Training Program1629827746
- Lydia Anikin, MDStudent in an Organized Health Care Education/Training Program1871119685
- Levi Barnum, PA-CPhysician Assistant1235855792
- Sherri Bates, L.P.N.Licensed Practical Nurse1194842252
- Erin Beck, R.N.Ambulatory Women's Health Care Registered Nurse1629195631
- Wyatt Bell, DOStudent in an Organized Health Care Education/Training Program1831987130
Verify John Thomas Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 200-T1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
396 Medicare Part D claims for 76 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium26 claims
- Atorvastatin Calcium25 claims
- Lisinopril25 claims
- Duloxetine Hcl15 claims
- Omeprazole13 claims
- Sertraline Hcl13 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.
Bills Medicare through one group practice
- Lander Medical Clinic PCLander, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Thomas Foster among 400 family medicine physician records in Wyoming
John Thomas Foster, DO 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 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2009 among the 229 with a school on file
- Record last updated2022 · 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).
85 family medicine physician records list a practice address in Casper
They are 85 of the 1,924 NPPES records with a practice address in Casper, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Casper → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sean Beyer, MDCasper, WY 826011700809209
- Eugene Duquette, D.O.Casper, WY 826011174573661
- Dana Ideen, M.D.Casper, WY 826011558375477
- Sharon Karnes, M.D.Casper, WY 826011962440487
- Nathan KerCasper, WY 826011689699589
- Jason LloydCasper, WY 826011841298536
- Michael Miller, DOCasper, WY 826011548201213
- Jeffrey Preston, M.D.Casper, WY 826011508891078
Common questions
What is John Thomas Foster, DO's NPI number?
John Thomas Foster, DO's National Provider Identifier (NPI) is 1609512482, issued on May 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Foster, DO located?
The NPPES record lists a practice address at 1522 E A St, Casper, WY, 82601. Phone: (307) 234-6161. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Foster, DO's license?
NPPES lists Wyoming license number 200-T1, 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 John Thomas Foster, DO prescribe under Medicare Part D?
In 2024, John Thomas Foster, DO had 396 Medicare Part D claims for 76 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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. 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.