NPPES file of Aug 9, 2026

Jason Harrison Caswell, M.D.

Family Medicine Physician · Cheyenne, WY

Jason Harrison Caswell, M.D. is a family medicine physician with a practice address in Cheyenne, Wyoming, and NPI 1376773994, issued on Jul 16, 2009. Check the license (Wyoming 11719A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376773994
Name
Jason Harrison Caswell
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
11719A WY
01071769A IN
Self-reported in NPPES; status is on the state search
Practice location
3229 E Pershing Blvd, Cheyenne, WY 82001
Phone
(307) 363-2054
Enumerated
Jul 16, 2009
Record last updated
Apr 28, 2023
Fax
(307) 227-6817
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3229 E Pershing Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Lembitz, NPFamily Medicine Physician1043949274

Verify Jason Harrison Caswell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 11719A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wyoming license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average family medicine physician in 2024

359 Medicare Part D claims for 31 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Jason Caswell359
  2. Specialty average3,544

Most prescribed

  1. Hydrocodone-Acetaminophen13 claims
  2. Gabapentin12 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.

Industry payments in 2024: $68.03

4 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Caswell$68.03
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jason Harrison Caswell among 400 family medicine physician records in Wyoming

Jason Harrison Caswell, M.D. 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 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2023 · 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).

77 family medicine physician records list a practice address in Cheyenne

They are 77 of the 2,782 NPPES records with a practice address in Cheyenne, and 400 family medicine physician records in Wyoming.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nancy Bergquist, MD, DCCheyenne, WY 820011336290683
  2. Jason Bloomberg, M.D.Cheyenne, WY 820011588772115
  3. Deborah Brackett, MDCheyenne, WY 820011306978580
  4. Lisa Brandes, MDCheyenne, WY 820011720186471
  5. Tamara Cottam, M.D.Cheyenne, WY 820011164488185
  6. Joseph Dobson, M.D.Cheyenne, WY 820011184645632
  7. James Johnson, M.D.Cheyenne, WY 820011699870923
  8. Karen Leung, MDCheyenne, WY 820011730211905

Common questions

What is Jason Harrison Caswell, M.D.'s NPI number?

Jason Harrison Caswell, M.D.'s National Provider Identifier (NPI) is 1376773994, issued on Jul 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jason Harrison Caswell, M.D. located?

The NPPES record lists a practice address at 3229 E Pershing Blvd, Cheyenne, WY, 82001. Phone: (307) 363-2054. Providers update this record themselves, so call before visiting.

How can I verify Jason Harrison Caswell, M.D.'s license?

NPPES lists Wyoming license number 11719A, 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 Jason Harrison Caswell, M.D. prescribe under Medicare Part D?

In 2024, Jason Harrison Caswell, M.D. had 359 Medicare Part D claims for 31 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.