Mark A. Stern, M.D.
Rheumatology Physician · Springfield, IL
Mark A. Stern, M.D. is a rheumatology physician with a practice address in Springfield, Illinois, and NPI 1033201579, issued on Sep 29, 2006. Check the license (Illinois 036-063966, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark A. Stern
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036-063966 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N. 1St Street, Springfield, IL 62702
- Phone
- (217) 528-7541
- Enumerated
- Sep 29, 2006
- Record last updated
- Jun 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 340 in Illinois → Look up another NPI →
Also registered at 800 N. 1St Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark A. Stern 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 036-063966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average rheumatology physician in 2024
44 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ketoconazole12 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: $246.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Mark A. Stern among 340 rheumatology physician records in Illinois
Mark A. Stern, M.D. is one of 340 rheumatology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
All 340 in Illinois → Every provider in Springfield → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Krati Chauhan, MDSpringfield, IL 627021710148481
- J Dorsey, M.D.Springfield, IL 627021669460390
- Mark Francis, M.D.Springfield, IL 627021164410890
- Jason Guthrie, M.DSpringfield, IL 627021437299682
- Beenish Hafiz, MDSpringfield, IL 627021215296215
- Jeffrey Horvath, M.D.Springfield, IL 627021588761811
- Rabia Iqbal, MDSpringfield, IL 627021457917833
- Timothy Lenardo, M.D.Springfield, IL 627021598873499
Common questions
What is Mark A. Stern, M.D.'s NPI number?
Mark A. Stern, M.D.'s National Provider Identifier (NPI) is 1033201579, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Stern, M.D. located?
The NPPES record lists a practice address at 800 N. 1St Street, Springfield, IL, 62702. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Stern, M.D.'s license?
NPPES lists Illinois license number 036-063966, 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 Mark A. Stern, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Stern, M.D. had 44 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. 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.