Tamar S. Polonsky

  • Chicago, IL
  • Cardiologist
NPI1942597984PAC ID6002087111
Medicare services, 2024
1,279
Medicare patients, 2024
765
Part D claims, 2024
3,209
Publications
106
Clinical trials
1
Practice address
5841 S Maryland Ave, Chicago, IL 60637
Practice phone
Call (773) 702-1530
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The University of Chicago Medical Center

Chicago, Illinois

See all 4 affiliations

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Tamar S. Polonsky is a cardiologist in Chicago, Illinois

Tamar Polonsky practices at The University of Chicago Medical Center in Chicago, Illinois.

Tamar Polonsky's NPI, 1942597984, was assigned on June 28, 2011. Tamar Polonsky graduated from University of Chicago, Pritzker School of Medicine in 2002. Tamar Polonsky holds Illinois license 036114353.

NPI and contact details
Medicare PAC ID
6002087111
NPI enumeration date
June 28, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(773) 702-1530
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Tamar S. Polonsky practices at The University of Chicago Medical Center in Chicago, Illinois

Tamar Polonsky's primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.

  • The University of Chicago Medical Center
    5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Tamar S. Polonsky is affiliated with 2 sites of care and 2 medical groups

Tamar Polonsky's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Tamar Polonsky is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Tamar Polonsky to 1 more medical group, named with a free account.

See all 4 affiliations for Tamar Polonsky

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Tamar S. Polonsky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Tamar Polonsky practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The University of Chicago Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Tamar S. Polonsky is one of 908 cardiologists in Illinois

Cardiovascular disease is Tamar Polonsky's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Tamar Polonsky is licensed in Illinois.

Specialties and state licenses

  • Cardiovascular disease, IllinoisPrimaryLicense 036114353 · taxonomy 207RC0000X

Cardiologists near Tamar Polonsky

Counts of cardiologists 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

Tamar S. Polonsky billed Medicare for 1,279 services in 2024

CMS data shows 1,279 Medicare services from Tamar Polonsky across 10 procedure codes in 2024, for 765 Medicare patients. Medicare paid $75,114 for them.

Medicare services, 20241,279
Medicare patients765
Paid by Medicare$75,114
Procedure codes10

Tamar Polonsky's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 8922024: 76914%
Tests and treatments
2023: 6102024: 47223%
Other services
2023: 02024: 38

Where Tamar Polonsky's Medicare services took place, 2024

  • In an office605%
  • In a facility1,21995%

Tamar Polonsky compared with the Illinois median for cardiologists, 2024

  • Tamar Polonsky
  • Illinois median
Medicare services
1,279vs 1,93634% below
Medicare patients
765vs 1,02325% below
Part D claims
3,006vs 1,5022.0 times

Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.

Tamar Polonsky'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.

See all procedures by Tamar Polonsky

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Tamar S. Polonsky treated 765 Medicare patients in 2024, average age 73

CMS counts 765 Medicare patients who saw Tamar Polonsky in 2024. The largest group is 65 to 74, with 293 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Tamar Polonsky's median patient age at 72, with 59% women.

Medicare patients, 2024765
Average age73
Average risk score2.74
Also on Medicaid43%

Tamar Polonsky's Medicare patients by age, 2024

Tamar Polonsky's Medicare patients by sex, 2024

  • Women44959%
  • Men31641%

Chronic conditions among Tamar Polonsky's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Heart failure55%
  5. Chronic kidney disease53%
  6. Ischemic heart disease53%
  7. Diabetes52%
  8. Atrial fibrillation37%

Share of Medicare patients with each condition. A patient can have several.

Tamar Polonsky's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Tamar S. Polonsky wrote 3,209 Medicare Part D claims in 2024

In 2024, Tamar Polonsky wrote 3,209 Medicare Part D claims for 497 patients. 85% of them were for generic drugs. CMS names the drug for 3,006 of them, across 38 drugs with 11 or more claims each, at $611,351 in total drug cost. In 2023, CMS named 3,151 claims across 39 drugs.

Part D claims, 20243,209
Drugs named by CMS38
Total drug cost$611,351
Part D patients497

Tamar Polonsky's Part D claims by kind of drug, 2024

  • Generic2,724 claims85%
  • Brand-name485 claims15%

Tamar Polonsky's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,1512024: 3,0065%

Drugs named by CMS: 38 in 2024, 39 in 2023.

See all prescribing by Tamar Polonsky

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Tamar S. Polonsky offers telehealth to Medicare patients

Tamar Polonsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tamar Polonsky as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Tamar S. Polonsky has 106 publications on record

Dmand AI links 106 papers to Tamar Polonsky, published from 2011 to 2025. 2023 was the busiest year, with 16. The most frequent topics are Peripheral Arterial Disease, Cardiovascular Diseases and Walking. Tamar Polonsky has published most often in J Am Heart Assoc. Tamar Polonsky's most frequent co-authors are Jack Michael Guralnik, MD, Melina Kibbe, MD and Luigi Ferrucci, MD.

Papers106
Years published2011 to 2025

Tamar Polonsky's papers by year, 2016 to 2025

Topics Tamar Polonsky writes about most

  • Peripheral Arterial Disease
  • Cardiovascular Diseases
  • Walking
  • Exercise Therapy
  • Myocardial Infarction
  • Walk Test
  • Aspirin
  • Blood Pressure

Tamar Polonsky's most frequent co-authors

Recent publications by Tamar Polonsky

See all 106 publications and co-authors

See who Tamar Polonsky researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Tamar Polonsky works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Tamar S. Polonsky has worked on 1 clinical trial

Dmand AI links Tamar Polonsky to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Peripheral Arterial Disease and Peripheral Vascular Diseases.

Conditions in Tamar Polonsky's trials

  • Peripheral Arterial Disease
  • Peripheral Vascular Diseases

Recent clinical trials with Tamar Polonsky

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Tamar S. Polonsky received $209 in industry payments from 2016 to 2023

CMS Open Payments shows 6 general payments to Tamar Polonsky from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $97.

General payments to Tamar Polonsky by program year, 2016 to 2023

Companies that paid Tamar Polonsky the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Tamar Polonsky

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Tamar S. Polonsky graduated from University of Chicago, Pritzker School of Medicine

Tamar Polonsky graduated from University of Chicago, Pritzker School of Medicine in 2002.

  1. Medical schoolUniversity of Chicago, Pritzker School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Tamar S. Polonsky's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Tamar S. Polonsky

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Tamar S. Polonsky's NPI number?

Tamar S. Polonsky's NPI number is 1942597984. It was assigned on June 28, 2011, and it is active in the NPI Registry.

What does Tamar S. Polonsky specialize in?

Tamar S. Polonsky is a cardiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Tamar S. Polonsky practice?

Tamar Polonsky practices at 5841 S Maryland Ave, Chicago, IL 60637. Tamar Polonsky's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dmand AI also links Tamar Polonsky to 1 medical group.

What is Tamar S. Polonsky's office phone number?

The practice phone on file for Tamar Polonsky is (773) 702-1530.

What is Tamar S. Polonsky's medical license number?

Tamar Polonsky holds Illinois license 036114353.

Which hospitals is Tamar S. Polonsky affiliated with?

Tamar Polonsky is affiliated with University of Chicago Medical Center.

What medical group is Tamar S. Polonsky part of?

Tamar Polonsky is linked to UChicago Medicine Physicians. Dmand AI links Tamar Polonsky to 1 more medical group.

Does Tamar S. Polonsky accept Medicare?

Yes. CMS data shows Tamar Polonsky billed Medicare for 1,279 services in 2024, and Tamar Polonsky accepts Medicare assignment.

Does Tamar S. Polonsky offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Tamar Polonsky as offering telehealth services.

How many Medicare patients does Tamar S. Polonsky see?

CMS counts 765 Medicare patients who saw Tamar Polonsky in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Tamar S. Polonsky bill to Medicare?

In 2024, Tamar Polonsky's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and hospital inpatient care (99233).

Where did Tamar S. Polonsky go to medical school?

Tamar Polonsky graduated from University of Chicago, Pritzker School of Medicine in 2002.

What drugs does Tamar S. Polonsky prescribe most?

In 2024 Medicare Part D data, Tamar Polonsky's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Metoprolol Succinate.

Has Tamar S. Polonsky received payments from drug or device companies?

CMS Open Payments shows $209 in general payments to Tamar Polonsky from 3 companies from 2016 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Tamar S. Polonsky been practicing?

Tamar Polonsky graduated from medical school in 2002, 24 years ago.

Does Tamar S. Polonsky do research?

Dmand AI links 106 publications to Tamar Polonsky, published from 2011 to 2025. Tamar Polonsky has worked on 1 clinical trial.

Who does Tamar S. Polonsky publish with?

Tamar Polonsky's most frequent co-authors are Jack Michael Guralnik, MD (29 shared papers), Melina Kibbe, MD (29 shared papers) and Luigi Ferrucci, MD (27 shared papers).

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