NPPES file of Aug 9, 2026

Mark B. Douthit, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Cheyenne, WY

Mark B. Douthit, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Cheyenne, Wyoming, and NPI 1326038555, issued on Oct 27, 2005. Check the license (Wyoming 11195A, 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
1326038555
Name
Mark B. Douthit
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
11195A WY
29696 CO
Self-reported in NPPES; status is on the state search
Practice location
2301 House Ave Ste 301B, Cheyenne, WY 82001
Phone
(307) 778-1849
Enumerated
Oct 27, 2005
Record last updated
Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(307) 778-4995
Medicaid IDs
01296961 CO
1326038555 NE
133577400 WY
Medicare enrollment
Enrolled (PECOS I20100607000306); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2301 House Ave Ste 301B

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

  1. Steven Cummings, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1336185636

Verify Mark B. Douthit in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 11195A
    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

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82% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

18 Medicare Part D claims for 11 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Douthit18
  2. Specialty average101

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

  1. Poudre Valley Medical Group LLCColorado Springs, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wyoming

There are 6 thoracic surgery (cardiothoracic vascular surgery) physician records in Wyoming.

The 5 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Steven Cummings, MDCheyenne, WY 820011336185636
  2. Maurice Lyons, D.O.Cheyenne, WY 820011386610194
  3. David Silver, MDCheyenne, WY 820011043292063
  4. Joseph Monfre, M.D.Casper, WY 826011568781045
  5. Albert Steplock, M.D.Casper, WY 826011366445926

Common questions

What is Mark B. Douthit, MD's NPI number?

Mark B. Douthit, MD's National Provider Identifier (NPI) is 1326038555, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark B. Douthit, MD located?

The NPPES record lists a practice address at 2301 House Ave Ste 301B, Cheyenne, WY, 82001. Phone: (307) 778-1849. Providers update this record themselves, so call before visiting.

How can I verify Mark B. Douthit, MD's license?

NPPES lists Wyoming license number 11195A, 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 Mark B. Douthit, MD prescribe under Medicare Part D?

In 2024, Mark B. Douthit, MD had 18 Medicare Part D claims for 11 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.