NPPES file of Aug 9, 2026

Weslin Thomas, D.O.

Family Medicine Physician · Des Plaines, IL

Weslin Thomas, D.O. is a family medicine physician with a practice address in Des Plaines, Illinois, and NPI 1821521238, issued on Apr 4, 2017. Check the license (Illinois 036.152648, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1821521238
Name
Weslin Thomas
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036.152648 IL
Self-reported in NPPES; status is on the state search
Practice location
77 Rand RD, Des Plaines, IL 60016
Phone
(847) 825-0300
Enumerated
Apr 4, 2017
Record last updated
Aug 25, 2020 (not updated in 6 years: call before relying on the address or phone)
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 77 Rand RD

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

  1. Naveen Abraham, MDFamily Medicine Physician1962630178
  2. Helen Arkema, M.D.Pediatrics Physician1962438689
  3. Gary Artinian, MDInternal Medicine Physician1073511267
  4. Radha Balagani, M.DFamily Medicine Physician1942227640
  5. Magdalene Brej, MDFamily Medicine Physician1093444903
  6. Joseph Chimino, D.O.Internal Medicine Physician1386800746

Verify Weslin Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.152648
    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 Illinois 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.

Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs

114,166 Medicare Part D claims for 79,299 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 99% of claims.

  1. Weslin Thomas114,166
  2. Specialty average3,544

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix41,536 claims
  2. Arexvy35,277 claims
  3. Twinrix13,325 claims
  4. Boostrix Tdap11,501 claims
  5. Abrysvo5,047 claims
  6. Adacel Tdap4,512 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.

39 family medicine physician records list a practice address in Des Plaines

They are 39 of the 1,164 NPPES records with a practice address in Des Plaines, and 6,215 family medicine physician records in Illinois.

Other family medicine physician records in Illinois

  1. Jon Aagaard, MDWheaton, IL1750496923
  2. Napoleon Abando, MDWoodstock, IL1003972753
  3. Nikka Abaricia, MDChicago, IL1790366342
  4. Mohemmed AbbasChicago, IL1609612522
  5. Muhammad AbbasAlton, IL1588341556
  6. Syed AbbasWest Dundee, IL1972733103
  7. Stefanie AbbottMaywood, IL1861137457
  8. Roann Abdeladl, MDEvanston, IL1437087103
  9. Ahmed Abdelkader, MDChicago, IL1659104230
  10. Guy Abderholden, MDAntioch, IL1902899792

Common questions

What is Weslin Thomas, D.O.'s NPI number?

Weslin Thomas, D.O.'s National Provider Identifier (NPI) is 1821521238, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Weslin Thomas, D.O. located?

The NPPES record lists a practice address at 77 Rand RD, Des Plaines, IL, 60016. Phone: (847) 825-0300. Providers update this record themselves, so call before visiting.

How can I verify Weslin Thomas, D.O.'s license?

NPPES lists Illinois license number 036.152648, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Weslin Thomas, D.O. prescribe under Medicare Part D?

In 2024, Weslin Thomas, D.O. had 114,166 Medicare Part D claims for 79,299 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.