Allison Thoburn, M.D.
Internal Medicine Physician · Chicago, IL
Allison Thoburn, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1962881086, issued on May 21, 2015. Check the license (Illinois 125066435, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Allison Thoburn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125066435 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3860 W Ogden Ave, Chicago, IL 60623
- Phone
- (728) 588-3000
- Enumerated
- May 21, 2015
- Record last updated
- Sep 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 3860 W Ogden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeneson Abraham, P.A.Medical Physician Assistant1013975218
- Luisa AdameCounselor1255968160
- Grace Ahn, DDSDentist1518166743
- Similolu Akintorin, MDFamily Medicine Physician1033790407
- Edward Akinyemi, MDFamily Medicine Physician1609525104
- Lars Armainsson, MDInternal Medicine Physician1336259514
Verify Allison Thoburn 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 125066435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
710 Medicare Part D claims for 142 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium69 claims
- Amlodipine Besylate38 claims
- Losartan Potassium29 claims
- Furosemide27 claims
- Pravastatin Sodium26 claims
- Lisinopril24 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.
Allison Thoburn among 7,238 internal medicine physician records in Illinois
Allison Thoburn, 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lars Armainsson, MDChicago, IL 606231336259514
- Ravikiran Barigala, M.D.Chicago, IL 606231801805437
- Tyla CourtneyChicago, IL 606231841329489
- Chukwudozie Ezeokoli, MDChicago, IL 606231881838159
- Ryan Fabrizius, M.D.Chicago, IL 606231851683122
- Christopher Flinn, M.D.Chicago, IL 606231063668341
- Janice Huber, M.D.Chicago, IL 606231649474404
- Catherine Lin, M.D.Chicago, IL 606231659532877
Common questions
What is Allison Thoburn, M.D.'s NPI number?
Allison Thoburn, M.D.'s National Provider Identifier (NPI) is 1962881086, issued on May 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Allison Thoburn, M.D. located?
The NPPES record lists a practice address at 3860 W Ogden Ave, Chicago, IL, 60623. Phone: (728) 588-3000. Providers update this record themselves, so call before visiting.
How can I verify Allison Thoburn, M.D.'s license?
NPPES lists Illinois license number 125066435, 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 Allison Thoburn, M.D. prescribe under Medicare Part D?
In 2024, Allison Thoburn, M.D. had 710 Medicare Part D claims for 142 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.