Asha Thomas, M.D.
Internal Medicine Physician · Westchester, IL
Asha Thomas, M.D. is an internal medicine physician with a practice address in Westchester, Illinois, and NPI 1124171459, issued on Jan 19, 2007. Check the license (Illinois 036-089204, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Asha Thomas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036-089204 IL
036089204 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2205 Enterprise Dr Ste 520, Westchester, IL 60154
- Phone
- (708) 938-5783
- Enumerated
- Jan 19, 2007
- Record last updated
- Nov 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (708) 938-5941
- Medicare enrollment
- Enrolled (PECOS I20070327000386); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Asha Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-089204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,870 Medicare Part D claims for 183 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 84 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium187 claims
- Levothyroxine Sodium139 claims
- Metoprolol Succinate129 claims
- Amlodipine Besylate116 claims
- Atorvastatin Calcium116 claims
- Lisinopril-Hydrochlorothiazide56 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: $21.82
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mercy Health System CorporationCrystal Lake, IL
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Asha Thomas among 7,238 internal medicine physician records in Illinois
Asha Thomas, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1989 · median 2003 among the 3,580 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Illinois
There are 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Westchester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Walter Morrissey, M.D.Westchester, IL 601541043393705
- Kristina ClarkMaywood, IL 601531912848656
- Jessica Diol, MDMaywood, IL 601531275472466
- Jonathan Forrest, MDMaywood, IL 601531013855097
- Rwan HayekMaywood, IL 601531154261451
- Danielle Iben, MDMaywood, IL 601531386582641
- Michael IbrahimMaywood, IL 601531639018344
- Eric Kelley, MDBroadview, IL 601551134102346
Common questions
What is Asha Thomas, M.D.'s NPI number?
Asha Thomas, M.D.'s National Provider Identifier (NPI) is 1124171459, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Asha Thomas, M.D. located?
The NPPES record lists a practice address at 2205 Enterprise Dr Ste 520, Westchester, IL, 60154. Phone: (708) 938-5783. Providers update this record themselves, so call before visiting.
How can I verify Asha Thomas, M.D.'s license?
NPPES lists Illinois license number 036-089204, 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 Asha Thomas, M.D. prescribe under Medicare Part D?
In 2024, Asha Thomas, M.D. had 2,870 Medicare Part D claims for 183 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.