Gregory William Roloff, MD
Hematology & Oncology Physician · Chicago, IL
Gregory William Roloff, MD is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1841795929, issued on Mar 29, 2018. Check the license (Illinois 036.155650, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory William Roloff
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036.155650 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # MC2115, Chicago, IL 60637
- Phone
- (773) 702-2731
- Enumerated
- Mar 29, 2018
- Record last updated
- Jun 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240926002911); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # MC2115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Bestvina, M.D.Medical Oncology Physician1720354137
- Jamie Brewer, M.D.Hematology & Oncology Physician1508153479
- Meytal Chernoff, M.D.Hematology & Oncology Physician1225881519
- Dawn Conway, AGNP-CPrimary Care Nurse Practitioner1023721156
- Maha Elsebaie, MDHematology & Oncology Physician1407473242
- Marina Chiara Garassino, MDMedical Oncology Physician1053999599
Verify Gregory William Roloff 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 036.155650Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
114 Medicare Part D claims for 24 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Calquence17 claims
- Sulfamethoxazole-Trimethoprim15 claims
- Prochlorperazine Maleate12 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: $3,285.63
8 payments; by number, the most common kind was food and beverage; the largest payer was Kite Pharma, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- University OF ChicagoCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gregory William Roloff among 666 hematology & oncology physician records in Illinois
Gregory William Roloff, MD 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 2018, is newer than 83% of them.
- NPI issued2018 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2003 among the 461 with a school on file
- Record last updated2021 · 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
- Julia Ashenhurst, M.D.Chicago, IL 606371336225358
- Christopher DaughertyChicago, IL 606371063574523
- Gini FlemingChicago, IL 606371407918964
- Thomas GajewskiChicago, IL 606371194888610
- Philip HoffmanChicago, IL 606371700949229
- Richard LarsonChicago, IL 606371114089661
- Rita NandaChicago, IL 606371568524015
- Sunil NarulaChicago, IL 606371861428583
Common questions
What is Gregory William Roloff, MD's NPI number?
Gregory William Roloff, MD's National Provider Identifier (NPI) is 1841795929, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gregory William Roloff, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave # MC2115, Chicago, IL, 60637. Phone: (773) 702-2731. Providers update this record themselves, so call before visiting.
How can I verify Gregory William Roloff, MD's license?
NPPES lists Illinois license number 036.155650, 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 Gregory William Roloff, MD prescribe under Medicare Part D?
In 2024, Gregory William Roloff, MD had 114 Medicare Part D claims for 24 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.