Jeffrey D. Kopin, M.D.
Internal Medicine Physician · Chicago, IL
Jeffrey D. Kopin, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1093754970, issued on Jun 6, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey D. Kopin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 20 S Clark St, Chicago, IL 60603
- Phone
- (312) 926-7443
- Enumerated
- Jun 6, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20100806000489); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1984
- Entity
- Type 1 · individual
Also registered at 20 S Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Ballenger, DPTPhysical Therapist1639486657
- Amanda Chiagouris, D.P.T.Physical Therapist1972670677
- Elyse Esrig, M.D.Internal Medicine Physician1356388201
- Mary Gawne, APNNurse Practitioner1952315582
- Lorna Griffin, P.T.Physical Therapist1558387704
- Kenneth Hayes, M.D.Internal Medicine Physician1700812872
Verify Jeffrey D. Kopin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,157 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium127 claims
- Rosuvastatin Calcium60 claims
- Allopurinol59 claims
- Levothyroxine Sodium52 claims
- Metoprolol Succinate46 claims
- Zolpidem Tartrate43 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): 94.1 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
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 2,867 in Chicago → All 7,238 in Illinois → Every provider in Chicago →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Jeffrey D. Kopin, M.D.'s NPI number?
Jeffrey D. Kopin, M.D.'s National Provider Identifier (NPI) is 1093754970, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey D. Kopin, M.D. located?
The NPPES record lists a practice address at 20 S Clark St, Chicago, IL, 60603. Phone: (312) 926-7443. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey D. Kopin, M.D.'s license?
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 Jeffrey D. Kopin, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey D. Kopin, M.D. had 1,157 Medicare Part D claims for 99 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jeffrey D. Kopin, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.