Jill Marcus, M.D.
Family Medicine Physician · Chicago, IL
Jill Marcus, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1285165795, issued on Mar 26, 2017. Check the license (Illinois 1285165795, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jill Marcus
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1285165795 IL
Self-reported in NPPES; status is on the state search - Practice location
- 836 W Wellington Ave, Chicago, IL 60657
- Phone
- (773) 975-1600
- Enumerated
- Mar 26, 2017
- Record last updated
- Dec 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200929000718); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2017
- 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 836 W Wellington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hasan Abad, D.O.Hospitalist Physician1356872006
- Misha Abbasi, MDHospitalist Physician1770111635
- Karim Abou El JoudHospitalist Physician1770043895
- Nasser Abualhassan, M.D.Student in an Organized Health Care Education/Training Program1700173127
- Swapnil Adhav, M.D.Surgery Physician1285942292
- Ahsan AdilAnesthesiology Physician1174463772
Verify Jill Marcus 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 1285165795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family medicine physician in 2024
2,382 Medicare Part D claims for 205 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. 29 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium160 claims
- Atorvastatin Calcium157 claims
- Levothyroxine Sodium112 claims
- Amlodipine Besylate88 claims
- Metoprolol Succinate65 claims
- Losartan Potassium60 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.
Bills Medicare through one group practice
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jill Marcus among 6,215 family medicine physician records in Illinois
Jill Marcus, M.D. 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 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2006 among the 3,714 with a school on file
- Record last updated2018 · 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 →
The 8 family medicine physician records with the nearest ZIP codes
- Syed Akhter, MDChicago, IL 606571295787422
- Robert Bowser, M.D.Chicago, IL 606571003864489
- Sara Braunstein, D.O.Chicago, IL 606571861551954
- Eduardo Correa, M.D.Chicago, IL 606571487668653
- Teresa Cvengros, M.D.Chicago, IL 606571558366591
- Marco Delacruz, M.D.Chicago, IL 606571528110228
- Lulu Husain, M.DChicago, IL 606571043319130
- Rajesh Iyengar, MDChicago, IL 606571821023714
Common questions
What is Jill Marcus, M.D.'s NPI number?
Jill Marcus, M.D.'s National Provider Identifier (NPI) is 1285165795, issued on Mar 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jill Marcus, M.D. located?
The NPPES record lists a practice address at 836 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 975-1600. Providers update this record themselves, so call before visiting.
How can I verify Jill Marcus, M.D.'s license?
NPPES lists Illinois license number 1285165795, 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 Jill Marcus, M.D. prescribe under Medicare Part D?
In 2024, Jill Marcus, M.D. had 2,382 Medicare Part D claims for 205 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.