Fred A. Zar
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 23
- Publications
- 8
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 1740 West Taylor St Suite 1400, Chicago, IL 60612
- Practice phone
- Call (312) 996-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Fred Zar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Fred A. Zar is an infectious disease specialist in Chicago, Illinois
Fred Zar practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Fred Zar's NPI, 1720191208, was assigned on August 17, 2006. Fred Zar graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979. Fred Zar holds Illinois license 036061566.
- NPI
- 1720191208NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739341272
- NPI enumeration date
- August 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 996-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Fred A. Zar practices at University of Illinois Hospital in Chicago, Illinois
Fred Zar's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.
- University of Illinois Hospital1740 West Taylor St Suite 1400, Chicago, IL 60612 · Cook CountyPhone(312) 996-3900
Source: Dmand AI Affiliation Data
Fred A. Zar is affiliated with 1 site of care and 1 medical group
Fred Zar's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is University of Illinois Physicians Group (UIPG).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Fred A. Zar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Fred Zar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Illinois System and 6.2K+ hospitals, with verified contacts in the same login.
Fred A. Zar is one of 400 infectious disease specialists in Illinois
Infectious disease is Fred Zar's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Fred Zar is licensed in Illinois.
Specialties and state licenses
- Infectious disease, IllinoisPrimary
Infectious disease specialists near Fred Zar
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Fred A. Zar billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Fred Zar across 2 procedure codes in 2024, for 23 Medicare patients. Medicare paid $3,429 for them. Every service was in a facility, such as a hospital, rather than an office.
Fred Zar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 982024: 5247%
Fred Zar compared with the Illinois median for infectious disease specialists, 2024
- Fred Zar
- Illinois median
- Medicare services
- 52vs 44088% below
- Medicare patients
- 23vs 21089% below
Medians across 383 infectious disease specialists in Illinois with Dmand AI profiles that report each measure.
Fred Zar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Fred Zar?
Medicare shows one payer. Book a meeting to get commercial claims data for Fred Zar and other infectious disease specialists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Fred A. Zar treated 23 Medicare patients in 2024, average age 65
CMS counts 23 Medicare patients who saw Fred Zar in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 5.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Fred Zar's median patient age at 70, with 47% women.
Chronic conditions among Fred Zar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure70%
- Ischemic heart disease61%
- Chronic kidney disease57%
- Diabetes57%
- Atrial fibrillation52%
- Arthritis48%
Share of Medicare patients with each condition. A patient can have several.
Fred Zar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Fred A. Zar scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Fred Zar for performance year 2024, reported as part of a group. Fred Zar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Fred Zar's MIPS scores, performance year 2024
- 93of 100Final score
- 73.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Fred A. Zar has 8 publications on record
Dmand AI links 8 papers to Fred Zar, published from 2020 to 2025. The most frequent topics are Accreditation, Clinical Competence and Internal Medicine. Fred Zar has published most often in Acad Med. Fred Zar's most frequent co-authors are David A. Cook, MD, Constantine Melitas, MD and Cemal Yazici, MD.
Fred Zar's papers by year, 2020 to 2025
Topics Fred Zar writes about most
- Accreditation
- Clinical Competence
- Internal Medicine
- Internship and Residency
- Competency-Based Education
- Educational Measurement
- Education, Medical, Graduate
- Interprofessional Relations
Fred Zar's most frequent co-authors
Recent publications by Fred Zar
See who Fred Zar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Fred Zar works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Fred A. Zar graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Fred Zar graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Fred A. Zar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Fred A. Zar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Fred A. Zar's NPI number?
Fred A. Zar's NPI number is 1720191208. It was assigned on August 17, 2006, and it is active in the NPI Registry.
What does Fred A. Zar specialize in?
Fred A. Zar is an infectious disease specialist in Chicago, Illinois. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Fred A. Zar practice?
Fred Zar practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Fred Zar's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
What is Fred A. Zar's office phone number?
The practice phone on file for Fred Zar is (312) 996-3900.
What is Fred A. Zar's medical license number?
Fred Zar holds Illinois license 036061566.
Which hospitals is Fred A. Zar affiliated with?
Fred Zar practices at University of Illinois Hospital in Chicago, Illinois.
What medical group is Fred A. Zar part of?
Fred Zar is linked to University of Illinois Physicians Group (UIPG).
Does Fred A. Zar accept Medicare?
Yes. CMS data shows Fred Zar billed Medicare for 52 services in 2024, and Fred Zar accepts Medicare assignment.
What is Fred A. Zar's MIPS score?
Fred Zar's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Fred A. Zar see?
CMS counts 23 Medicare patients who saw Fred Zar in 2024, with an average age of 65.
Show 5 more questionsShow fewer questions
What services does Fred A. Zar bill to Medicare?
In 2024, Fred Zar's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Fred A. Zar go to medical school?
Fred Zar graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
How long has Fred A. Zar been practicing?
Fred Zar graduated from medical school in 1979, 47 years ago.
Does Fred A. Zar do research?
Dmand AI links 8 publications to Fred Zar, published from 2020 to 2025.
Who does Fred A. Zar publish with?
Fred Zar's most frequent co-authors are David A. Cook, MD (1 shared paper), Constantine Melitas, MD (1 shared paper) and Cemal Yazici, MD (1 shared paper).
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