NPPES file of Aug 9, 2026

James Namsupak, M.D.

General Practice Physician · Fairmont, WV

James Namsupak, M.D. is a general practice physician with a practice address in Fairmont, West Virginia, and NPI 1043486145, issued on May 8, 2008. Check the license (West Virginia 23919, as entered in NPPES) on the West Virginia 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
1043486145
Name
James Namsupak
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
23919 WV
Self-reported in NPPES; status is on the state search
Practice location
401 Guffey St, Fairmont, WV 26554
Phone
(304) 363-2500
Enumerated
May 8, 2008
Record last updated
Sep 16, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
3810016983 WV
Medicare enrollment
Enrolled (PECOS I20100406000552); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2009
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 401 Guffey St

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

  1. Jordan Mezzanotte, M.S. CCC-SLPSpeech-Language Pathologist1114862471

Verify James Namsupak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWest Virginia Board of Medicine
    Search for license 23919
    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 West Virginia license search

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41% more Medicare Part D claims than the average general practice physician in 2024

4,285 Medicare Part D claims for 102 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 86 claims were for opioids.

  1. James Namsupak4,285
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium202 claims
  2. Levothyroxine Sodium170 claims
  3. Pantoprazole Sodium149 claims
  4. Furosemide128 claims
  5. Omeprazole110 claims
  6. Sertraline Hcl102 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: $148.17

1 payment: food and beverage; the largest payer was Sonendo Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Namsupak$148.17
  2. Specialty average$1,273.40

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

General Practice Physician providers in West Virginia

There are 74 general practice physician records in West Virginia.

Other general practice physician records in West Virginia

  1. Tara Adams, FNPCharleston, WV1295602688
  2. Isaac Alexis, MDBuckeye, WV1447313762
  3. David Anderson, MDMorgantown, WV1629082243
  4. Diane Ashby, M.D.Fayetteville, WV1720020712
  5. Gerda Augustin, MDClarksburg, WV1881628436
  6. Manuel Barit, MDMullens, WV1376505164
  7. Courtney Beasley, DOCharleston, WV1912369018
  8. Thomas Blume, MDMorgantown, WV1194816801
  9. Jill Boyce, MDBeaver, WV1033396536
  10. Floresita Bravo Edora, MDHarrisville, WV1407864465

Common questions

What is James Namsupak, M.D.'s NPI number?

James Namsupak, M.D.'s National Provider Identifier (NPI) is 1043486145, issued on May 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is James Namsupak, M.D. located?

The NPPES record lists a practice address at 401 Guffey St, Fairmont, WV, 26554. Phone: (304) 363-2500. Providers update this record themselves, so call before visiting.

How can I verify James Namsupak, M.D.'s license?

NPPES lists West Virginia license number 23919, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Namsupak, M.D. prescribe under Medicare Part D?

In 2024, James Namsupak, M.D. had 4,285 Medicare Part D claims for 102 beneficiaries; the average among general practice physician prescribers was 3,030. 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.