Celalettin Ustun, MD
Hematology (Internal Medicine) Physician · Chicago, IL
Celalettin Ustun, MD is a hematology (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1013010487, issued on Sep 7, 2006. Check the license (Illinois 036-147386, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Celalettin Ustun
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 036-147386 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 1010, Chicago, IL 60612
- Phone
- (312) 942-5904
- Enumerated
- Sep 7, 2006
- Entity
- Type 1 · individual
Also registered at 1725 W Harrison St Ste 1010
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Burke, APRNAdult Health Nurse Practitioner1255856894
- Kara Conroy, APRNNurse Practitioner1821721812
- Helen Gharwan, M.D.Hematology & Oncology Physician1770745424
- Sean Grimm, MDNeurology Physician1235346941
- Shivi Jain, M.D.Hematology & Oncology Physician1841529625
- Laura KalasAcute Care Nurse Practitioner1417355397
Verify Celalettin Ustun 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 036-147386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
43% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
388 Medicare Part D claims for 25 beneficiaries, against an average of 684 among the 1,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Prednisone45 claims
- Fluconazole28 claims
- Carvedilol26 claims
- Acyclovir24 claims
- Ayvakit22 claims
- Pantoprazole Sodium21 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.
Industry payments in 2024: $23,001.39
21 payments, mostly travel and lodging; the largest payer was Blueprint Medicines Corporation. The 778 providers of this specialty with any payment received $13,696.27 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hematology (Internal Medicine) Physician providers in Illinois
There are 49 hematology (internal medicine) physician records in Illinois.
Other hematology (internal medicine) physician records in Illinois
- Rosalinda Aloran, M.D.Elmwood Park, IL1801442603
- Saad Arain, M.D.Evanston, IL1104212992
- Fahrettin Covut, M.D.Rockford, IL1457885683
- Irene Dehghan-Paz, MDChicago, IL1801053905
- Kunal Desai, MD MBA MSChicago, IL1982100012
- Neil Dunavin, M.D.Zion, IL1578798369
- Michael Ellison, MDGlenview, IL1740357797
- Olga Frankfurt, MDChicago, IL1962492611
- Sefer Gezer, M.D.Chicago, IL1700845153
- Alla Gimelfarb, MDGlenview, IL1578721254
Common questions
What is Celalettin Ustun, MD's NPI number?
Celalettin Ustun, MD's National Provider Identifier (NPI) is 1013010487, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Celalettin Ustun, MD located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 1010, Chicago, IL, 60612. Phone: (312) 942-5904. Providers update this record themselves, so call before visiting.
How can I verify Celalettin Ustun, MD's license?
NPPES lists Illinois license number 036-147386, 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.
How much does Celalettin Ustun, MD prescribe under Medicare Part D?
In 2024, Celalettin Ustun, MD had 388 Medicare Part D claims for 25 beneficiaries; the average among hematology (internal medicine) physician prescribers was 684. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.