DR. GREGORY WILLIAM ROLOFF MD
NPI 1841795929
Internal Medicine - Hematology & Oncology in Chicago, IL

Active since March 29, 2018PECOS EnrolledAccepts Medicare Assignment
5841 S MARYLAND AVE # MC2115, CHICAGO, IL 60637(773) 702-2731 Get Directions Write a Review

NPPES record last updated: June 25, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 25, 2021, Mar 29, 2018 (2 updates tracked since 2018).

About Dr. Gregory William Roloff Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY WILLIAM ROLOFF MD (NPI 1841795929) is an individual hematology & oncology provider in Chicago, Illinois, licensed in Illinois (036.155650) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1841795929
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. GREGORY WILLIAM ROLOFFCredential: MD
Location Address5841 S MARYLAND AVE # MC2115Chicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-4503 · (773) 702-1150
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 29, 2018
Last NPPES UpdateJune 25, 20212 updates tracked since enumeration
NPPES CertifiedJune 25, 2021
NPI 1841795929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in IL · 036.155650
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
5841 S MARYLAND AVE # MC2115, Chicago, IL 60637

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory William Roloff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254689706
PECOS Enrollment IDI20240812003113, I20240926002911
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
103 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Nurse Practitioner
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Internal Medicine (Medical Oncology)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Nurse Practitioner (Primary Care)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Internal Medicine (Medical Oncology)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Internal Medicine (Hematology & Oncology)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637
Internal Medicine (Hematology & Oncology)
5841 S MARYLAND AVE # MC2115
CHICAGO, IL 60637

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Roloff's NPI number?

The NPI number for Gregory Roloff is 1841795929. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Gregory Roloff located?

Gregory Roloff practices at 5841 S Maryland Ave # Mc2115, Chicago, IL 60637. The listed phone number is (773) 702-2731.

What is Gregory Roloff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Gregory Roloff enrolled in Medicare?

Yes. Gregory Roloff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Gregory Roloff affiliated with any hospitals?

According to CMS data, Gregory Roloff is affiliated with The University Of Chicago Medical Center and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Roloff was last updated on June 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.