Mark Vexelman, MD
Family Medicine Physician · Chicago, IL
Mark Vexelman, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1700896750, issued on Aug 9, 2006. Check the license (Illinois 036095873, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark Vexelman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036095873 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Huron Street, Chicago, IL 60611
- Phone
- (312) 649-6565
- Enumerated
- Aug 9, 2006
- Record last updated
- Aug 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (312) 649-9842
- Medicaid ID
- 036095873 IL
- Medicare enrollment
- Enrolled (PECOS I20040108000997); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 150 E Huron Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Vexelman 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 036095873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average family medicine physician in 2024
20,713 Medicare Part D claims for 902 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 381 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,328 claims
- Amlodipine Besylate774 claims
- Levothyroxine Sodium749 claims
- Metoprolol Succinate716 claims
- Eliquis597 claims
- Gabapentin535 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $192.59
8 payments; by number, the most common kind was food and beverage; the largest payer was Ets Wound Care LLC. The 55,478 providers of this specialty with any payment received $902.55 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 Vexelman among 6,215 family medicine physician records in Illinois
Mark Vexelman, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2006 among the 3,714 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
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- Laura McIntyre, M.D.Chicago, IL 606111396973095
- Shibani Munshi, M.D.Chicago, IL 606111083813596
Common questions
What is Mark Vexelman, MD's NPI number?
Mark Vexelman, MD's National Provider Identifier (NPI) is 1700896750, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Vexelman, MD located?
The NPPES record lists a practice address at 150 E Huron Street, Chicago, IL, 60611. Phone: (312) 649-6565. Providers update this record themselves, so call before visiting.
How can I verify Mark Vexelman, MD's license?
NPPES lists Illinois license number 036095873, 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 Vexelman, MD prescribe under Medicare Part D?
In 2024, Mark Vexelman, MD had 20,713 Medicare Part D claims for 902 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark Vexelman, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.