NPPES file of Aug 9, 2026

Olga Zuk, M.D.

Hematology & Oncology Physician · Chicago, IL

Olga Zuk, M.D. is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1326046681, issued on Jul 11, 2005. Check the license (Illinois 036070498, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326046681
Name
Olga Zuk
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
036070498 IL
Self-reported in NPPES; status is on the state search
Practice location
5140 N California Ave, Chicago, IL 60625
Phone
(773) 989-3803
Enumerated
Jul 11, 2005
Record last updated
May 24, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(773) 878-5726
Medicaid ID
036070498 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →

Also registered at 5140 N California Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Olalekan Abimbola, MDFamily Medicine Physician1568251049
  2. Nikaya Acfalle, RNCritical Care Medicine Registered Nurse1538880158
  3. Andrew Agos, MDSurgery Physician1861403891
  4. Margaret Aguilar, R.N., F.N.P.Family Nurse Practitioner1871563379
  5. Sara Ahmed, DOInternal Medicine Physician1992635122
  6. Chi Ahn, M.D.Internal Medicine Physician1578857835

Verify Olga Zuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036070498    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $28.92

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Olga Zuk$28.92
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Olga Zuk among 666 hematology & oncology physician records in Illinois

Olga Zuk, M.D. is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2011 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Illinois

There are 666 hematology & oncology physician records in Illinois.

All 666 in Illinois → Every provider in Chicago → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Brendan Gilmore, M.D.Chicago, IL 606251619396231
  2. Korathu Thomas, MDChicago, IL 606221376565390
  3. Alton Wong, MDChicago, IL 606291982681458
  4. Lisa Baddi, D.O.Chicago, IL 606311780683250
  5. Adrian Bianco, MDChicago, IL 606311831295211
  6. Bety Ciobanu, MDChicago, IL 606311205094968
  7. Evelyn Currie, MDChicago, IL 606191457484586
  8. Mark Karides, MDChicago, IL 606311932206307

Common questions

What is Olga Zuk, M.D.'s NPI number?

Olga Zuk, M.D.'s National Provider Identifier (NPI) is 1326046681, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Olga Zuk, M.D. located?

The NPPES record lists a practice address at 5140 N California Ave, Chicago, IL, 60625. Phone: (773) 989-3803. Providers update this record themselves, so call before visiting.

How can I verify Olga Zuk, M.D.'s license?

NPPES lists Illinois license number 036070498, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.