Michael Dennis Zielinski, M.D.
Internal Medicine Physician · Chicago, IL
Michael Dennis Zielinski, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1316954134, issued on Aug 2, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael Dennis Zielinski
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 211 E Chicago Ave, Chicago, IL 60611
- Phone
- (312) 944-6677
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110110000448); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 211 E Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindy BlackwellMedical Physician Assistant1942456470
- Colleen Doherty, M.D.Internal Medicine Physician1093978512
- Jennifer GongEndocrinology, Diabetes & Metabolism Physician1801079611
- Annalise James Hussain, M.D.Obstetrics & Gynecology Physician1487920302
- Aarti Mulchandani, MDObstetrics & Gynecology Physician1043411895
- Joan Mullan, MDInternal Medicine Physician1396856019
Verify Michael Dennis Zielinski 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
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,585 Medicare Part D claims for 520 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 89 claims were for opioids.
Most prescribed
- Atorvastatin Calcium740 claims
- Amlodipine Besylate287 claims
- Lisinopril285 claims
- Levothyroxine Sodium281 claims
- Losartan Potassium229 claims
- Metoprolol Succinate195 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 2 group practices
- Chesterton Physical Therapy IncChesterton, IN
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Dennis Zielinski among 7,238 internal medicine physician records in Illinois
Michael Dennis Zielinski, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1997 · median 2003 among the 3,580 with a school on file
- Record last updated2007 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Arbetter, MDChicago, IL 606111336132851
- Steven Gallo, MDChicago, IL 606111548253024
- Arnold Grauer, MDChicago, IL 606111619960184
- James Hall, MDChicago, IL 606111649263153
- Frances Langdon, MDChicago, IL 606111063405546
- Michael Lee, MDChicago, IL 606111942293451
- Hazel Manzano, MDChicago, IL 606111801889316
- Chadwick Milstead, MDChicago, IL 606111740273259
Common questions
What is Michael Dennis Zielinski, M.D.'s NPI number?
Michael Dennis Zielinski, M.D.'s National Provider Identifier (NPI) is 1316954134, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Dennis Zielinski, M.D. located?
The NPPES record lists a practice address at 211 E Chicago Ave, Chicago, IL, 60611. Phone: (312) 944-6677. Providers update this record themselves, so call before visiting.
How can I verify Michael Dennis Zielinski, 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 Michael Dennis Zielinski, M.D. prescribe under Medicare Part D?
In 2024, Michael Dennis Zielinski, M.D. had 6,585 Medicare Part D claims for 520 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael Dennis Zielinski, 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.