Nathan Toenjes, DO
Family Medicine Physician · Casper, WY
Nathan Toenjes, DO is a family medicine physician with a practice address in Casper, Wyoming, and NPI 1821788654, issued on May 15, 2023. Check the license (Wyoming 222-T2, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan Toenjes
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 222-T2 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 15, 2023
- Record last updated
- Jul 16, 2024
- 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 Nathan Toenjes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 222-T2Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
149 Medicare Part D claims for 37 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium20 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.
Nathan Toenjes among 400 family medicine physician records in Wyoming
Nathan Toenjes, 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 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2024 · 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 Nathan Toenjes, DO's NPI number?
Nathan Toenjes, DO's National Provider Identifier (NPI) is 1821788654, issued on May 15, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Toenjes, 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 Nathan Toenjes, DO's license?
NPPES lists Wyoming license number 222-T2, 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 Nathan Toenjes, DO prescribe under Medicare Part D?
In 2024, Nathan Toenjes, DO had 149 Medicare Part D claims for 37 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.