DR. HELEN GHARWAN M.D.
NPI 1770745424
Internal Medicine - Hematology & Oncology in Chicago, IL

Active since June 25, 2008PECOS EnrolledAccepts Medicare Assignment
1725 W HARRISON ST STE 1010, CHICAGO, IL 60612(800) 226-2371 Get Directions Write a Review

NPPES record last updated: September 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Helen Gharwan M.d. NPPES

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

DR. HELEN GHARWAN M.D. (NPI 1770745424) is an individual hematology & oncology provider in Chicago, Illinois, licensed in Illinois (036166286) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1770745424
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. HELEN GHARWANCredential: M.D.
Location Address1725 W HARRISON ST STE 1010Chicago, IL 60612-3845
Mailing Address1725 W Harrison St Ste 1010Chicago, IL 60612-3845 · (800) 226-2371
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJune 25, 2008
Last NPPES UpdateSeptember 26, 2023
NPPES CertifiedSeptember 26, 2023
✔ NPI 1770745424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in IL · 036166286
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.
1725 W HARRISON ST STE 1010, Chicago, IL 60612

Secondary Practice Location 1

Location 12415 W Garrison Ave Apt ABaltimore, MD 21215-5350 · Phone (443) 824-7824

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Helen Gharwan M.d. 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 ID7416264841
PECOS Enrollment IDI20211207001350, I20250811001834
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Helen Gharwan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
230 HOSPITAL DR
Vernon, AL 35592
  • Reassigned Medicare billing, Alabama enrollment
  • 244 clinicians in this Medicare group
Multi-Specialty
289 ROBERT K WILSON DR SUITE C
Carrollton, AL 35447
  • Reassigned Medicare billing, Alabama enrollment
  • 307 clinicians in this Medicare group
Clinic/Center
701 UNIVERSITY BLVD E STE 211
Tuscaloosa, AL 35401
  • Reassigned Medicare billing, Alabama enrollment
  • Medicare enrollment name: The Dch Healthcare Authority
  • 179 clinicians in this Medicare group
Clinic/Center
2970 BELCREST CENTER DR
Hyattsville, MD 20782
  • Reassigned Medicare billing, Maryland enrollment
  • 794 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.
318 services119 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
199 services91 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
81 services71 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
56 services54 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
45 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers16 claims16 services$18.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 18

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

Internal Medicine (Hematology)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Physician Assistant
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Genetic Counselor, MS
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612
Nurse Practitioner (Acute Care)
1725 W HARRISON ST STE 1010
CHICAGO, IL 60612

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 Helen Gharwan's NPI number?

The NPI number for Helen Gharwan is 1770745424. It was assigned to this individual provider in the NPPES registry on June 25, 2008.

Where is Helen Gharwan located?

Helen Gharwan practices at 1725 W Harrison St Ste 1010, Chicago, IL 60612. The listed phone number is (800) 226-2371.

What is Helen Gharwan's specialty?

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

Is Helen Gharwan enrolled in Medicare?

Yes. Helen Gharwan 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.

Which organizations bill Medicare for Helen Gharwan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Gharwan reassigns Medicare benefits to 6 organizations: Rush University Medical Group (Chicago, IL), Whatley Health Services, Inc (Vernon, AL), Capstone Health Services Foundation PC (Carrollton, AL), The Dch Health Care Authority (Tuscaloosa, AL), Luminis Health Medical Group, LLC (Hyattsville, MD) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Helen Gharwan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Helen Gharwan was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.