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HARMAN GREWAL
NPI 1851551576
Internal Medicine in Naperville, IL

Active since June 16, 2008PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
801 S WASHINGTON ST, NAPERVILLE, IL 60540(630) 527-3000 Get Directions Write a Review

NPPES record last updated: September 27, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 27, 2022, Mar 11, 2021 (2 updates tracked since 2021).

About Harman Grewal NPPES

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

HARMAN GREWAL (NPI 1851551576) is an individual internal medicine provider in Naperville, Illinois, licensed in Illinois (036134349) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1851551576
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHARMAN GREWAL
Location Address801 S WASHINGTON STNaperville, IL 60540-7499
Mailing Address801 S Washington StNaperville, IL 60540-7499 · (630) 527-3000
Phone(630) 527-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 16, 2008
Last NPPES UpdateSeptember 27, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2022
✔ NPI 1851551576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036134349✔ Licensed in PA · MT192660
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License 036134349 (IL)
801 S WASHINGTON ST, Naperville, IL 60540
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Other Names 1

Professional Name (2)Dr. Harman Grewal M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

Harman Grewal 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 ID2668644899
PECOS Enrollment IDI20201222001021
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.

Hospital Affiliations CMS Care Compare

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

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.

DR. HAFEZ M. SAMI M.D.
Pain Medicine (Interventional Pain Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 348-3300
MICHAEL J. HARTMANN MD
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
SEEMA ISHAQ JEELANI D.O.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
CORTNEY COLE MD
Family Medicine (Hospice and Palliative Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
EDWARD HOSPITAL
General Acute Care Hospital
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 655-0450
DR. HODA A. EL- ASMAR MD
Internal Medicine (Infectious Disease)
801 S WASHINGTON ST, EDWARD HOSPITAL, ADMINISTRATION, VPMA OFFICE
NAPERVILLE, IL 60540
Dupage County (630) 527-5647
AMAAR MASOOD MALIK DO
Radiology (Diagnostic Radiology)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3200
DR. SANGITA RANGALA M.D.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3288

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 Harman Grewal's NPI number?

The NPI number for Harman Grewal is 1851551576. It was assigned to this individual provider in the NPPES registry on June 16, 2008. The provider is also known as Dr. Harman Grewal M.D..

Where is Harman Grewal located?

Harman Grewal practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-3000.

What is Harman Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Harman Grewal enrolled in Medicare?

Yes. Harman Grewal 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.

What insurance does Harman Grewal accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Harman Grewal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Harman Grewal affiliated with any hospitals?

According to CMS data, Harman Grewal is affiliated with John H Stroger Jr Hospital.

When was this NPI record last updated?

The NPPES record for Harman Grewal was last updated on September 27, 2022. 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.