Fred Zar
Infectious Disease Physician · Chicago, IL
Fred Zar is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1720191208, issued on Aug 17, 2006. Check the license (Illinois 036061566, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Fred Zar
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036061566 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Aug 17, 2006
- Record last updated
- Jun 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120430000684); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1979
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 1740 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francisco AbancoCertified Registered Nurse Anesthetist1255844288
- Leena Abbas, MDStudent in an Organized Health Care Education/Training Program1679376594
- Herand AbcarianColon & Rectal Surgery Physician1881792372
- Ivy AbrahamHematology & Oncology Physician1497172845
- Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
- Ereni Abuaita, DOInternal Medicine Physician1013710961
Verify Fred Zar 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 036061566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fred Zar among 464 infectious disease physician records in Illinois
Fred Zar is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1979 · median 2004 among the 311 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Stephanie Black, M.D.Chicago, IL 606121316908791
- Larry Goodman, M.DChicago, IL 606121356396550
- Alan Harris, M.D.Chicago, IL 606121699736488
- Mary Hayden, M.D.Chicago, IL 606121730140187
- Ronald Hershow, M.D.Chicago, IL 606121942241054
- Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
- Harold Kessler, M.D.Chicago, IL 606121730140534
- John KowalskiChicago, IL 606121235178708
Common questions
What is Fred Zar's NPI number?
Fred Zar's National Provider Identifier (NPI) is 1720191208, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fred Zar located?
The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Fred Zar's license?
NPPES lists Illinois license number 036061566, 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.
What is Fred Zar's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.