Mark Charles Chottiner, M.D.
Emergency Medicine Physician · Chicago, IL
Mark Charles Chottiner, M.D. is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1821446006, issued on May 29, 2016. Check the license (Illinois 125.068459, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark Charles Chottiner
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 125.068459 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # MC5068, Chicago, IL 60637
- Phone
- (773) 702-9500
- Enumerated
- May 29, 2016
- Record last updated
- Apr 28, 2026
- Fax
- (773) 702-3135
- Medicare enrollment
- Enrolled (PECOS I20190604000048); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # MC5068
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Charles Chottiner 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 125.068459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
17 Medicare Part D claims for 13 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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): 97.7 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).
Bills Medicare through one group practice
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Charles Chottiner among 3,291 emergency medicine physician records in Illinois
Mark Charles Chottiner, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2012 among the 1,867 with a school on file
- Record last updated2026 · 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,310 emergency medicine physician records list a practice address in Chicago
They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Chicago → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christine BabcockChicago, IL 606371588870448
- David BeiserChicago, IL 606371801958350
- Ira BlumenChicago, IL 606371700948254
- Keme Carter, M.D.Chicago, IL 606371881625697
- Diane ChaneyChicago, IL 606371437211984
- Marina Del Rios, MD, MSChicago, IL 606371689615585
- Thomas Fisher, MD., M.P.HChicago, IL 606371275528499
- Cai GlushakChicago, IL 606371811050339
Common questions
What is Mark Charles Chottiner, M.D.'s NPI number?
Mark Charles Chottiner, M.D.'s National Provider Identifier (NPI) is 1821446006, issued on May 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mark Charles Chottiner, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave # MC5068, Chicago, IL, 60637. Phone: (773) 702-9500. Providers update this record themselves, so call before visiting.
How can I verify Mark Charles Chottiner, M.D.'s license?
NPPES lists Illinois license number 125.068459, 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 Charles Chottiner, M.D. prescribe under Medicare Part D?
In 2024, Mark Charles Chottiner, M.D. had 17 Medicare Part D claims for 13 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark Charles Chottiner, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.7 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.