NATARAJAN MEDICAL GROUP OF ILLINOIS, PC
NPI 1639430861
Family Medicine - Hospice and Palliative Medicine in Rosemont, IL

Active since June 05, 2012
6400 SHAFER CT STE 300, ROSEMONT, IL 60018(847) 759-9449 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 30, 2026, Jan 13, 2023 (2 updates tracked since 2023).

About Natarajan Medical Group Of Illinois, Pc NPPES

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

NATARAJAN MEDICAL GROUP OF ILLINOIS, PC (NPI 1639430861), doing business as Accentcare Medical Group Of Illinois, is a healthcare organization registered as a hospice and palliative medicine in Rosemont, Illinois and active in the NPI registry since June 2012. The organization lists Carrie Bill, Vp Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1639430861
Entity TypeOrganization
Primary Taxonomy207QH0002X
Legal Business NameNATARAJAN MEDICAL GROUP OF ILLINOIS, PC
Location Address6400 SHAFER CT STE 300Rosemont, IL 60018-4929
Mailing Address6400 Shafer Ct Ste 300aRosemont, IL 60018-4914
Organization SubpartNo
Authorized OfficialCarrie BillVp Reimbursement · (847) 692-1148
Enumeration DateJune 5, 2012
Last NPPES UpdateMarch 30, 20262 updates tracked since enumeration
NPPES CertifiedMarch 30, 2026
✔ NPI 1639430861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QH0002X
Definition
A family medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
6400 SHAFER CT STE 300, Rosemont, IL 60018

Other Names 2

Doing Business AsAccentcare Medical Group Of Illinois
Doing Business AsSeasons Medical Group Of Illinois

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natarajan Medical Group Of Illinois, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

37

Medicare enrollment records show 37 clinicians reassign Medicare billing to Natarajan Medical Group Of Illinois, PC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Nurse Practitioner17
Internal Medicine7
Family Practice5
Hospice/Palliative Care3
Hospitalist2
General Practice1
Pulmonary Disease1
Sports Medicine1

Nearest to this location (20)

See all 37
Nurse Practitioner
NPI 1598247330
6400 SHAFER CT STE 300
Rosemont, IL 60018
(800) 570-8809
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396587465
6400 SHAFER CT STE 300
Rosemont, IL 60018
(847) 375-2119
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1235536350
6400 SHAFER CT STE 300
Rosemont, IL 60018
(847) 759-9449
✔ PECOSSame address
Hospice/Palliative Care
NPI 1972549210
1875 DEMPSTER ST STE 180
Park Ridge, IL 60068
(844) 725-5238
✔ PECOS✔ Accepts Medicare3.1 mi
Sports Medicine
NPI 1295799013
606 POTTER RD
Des Plaines, IL 60016
(847) 759-9449
✔ PECOS✔ Accepts Medicare3.3 mi
Nurse Practitioner
NPI 1659884229
2254 GREENFIELD DR
Glenview, IL 60025
(508) 521-7099
✔ PECOS✔ Accepts Medicare5.1 mi
Family Practice
NPI 1821259003
2050 CLAIRE CT
Glenview, IL 60025
(847) 556-1707
✔ PECOS7.6 mi
Nurse Practitioner
NPI 1356600993
132 FRANCISCO TER
Oak Park, IL 60302
(708) 383-9259
✔ PECOS✔ Accepts Medicare8.3 mi
Hospitalist
NPI 1861856247
5145 N CALIFORNIA AVE STE 331
Chicago, IL 60625
(773) 878-8200
✔ PECOS✔ Accepts Medicare8.6 mi
Nurse Practitioner
NPI 1366106239
550 W FRONTAGE RD STE 3756
Northfield, IL 60093
(866) 225-8327
✔ PECOS✔ Accepts Medicare9.1 mi
Nurse Practitioner
NPI 1255161485
2437 N KIMBALL AVE
Chicago, IL 60647
(773) 803-3192
✔ PECOS✔ Accepts Medicare9.2 mi
Nurse Practitioner
NPI 1013635465
1611 S CICERO AVE
Cicero, IL 60804
(708) 477-4840
✔ PECOS✔ Accepts Medicare11 mi
Pulmonary Disease
NPI 1023190063
3231 EUCLID AVE
Berwyn, IL 60402
(815) 463-8994
✔ PECOS✔ Accepts Medicare12 mi
Family Practice
NPI 1548554157
3231 EUCLID AVE 5TH FLOOR
Berwyn, IL 60402
(708) 783-2000
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1134675622
3860 W OGDEN AVE
Chicago, IL 60623
(872) 588-3000
✔ PECOS✔ Accepts Medicare12 mi
General Practice
NPI 1881699080
5909 W 35TH ST
Cicero, IL 60804
(708) 652-2040
✔ PECOS✔ Accepts Medicare12 mi
Family Practice
NPI 1356567705
1901 W HARRISON ST
Chicago, IL 60612
(312) 864-3500
✔ PECOS✔ Accepts Medicare13 mi
Internal Medicine
NPI 1730364522
15TH ST. MT SINAI HOSPITAL
Chicago, IL 60608
(773) 542-2000
✔ PECOS✔ Accepts Medicare13 mi
Hospice/Palliative Care
NPI 1336416767
1340 S DAMEN AVE STE 200
Chicago, IL 60608
(312) 997-7200
✔ PECOS✔ Accepts Medicare13 mi
Hospitalist
NPI 1003127895
1879 BAY SCOTT CIR STE 111
Naperville, IL 60540
(630) 961-1341
✔ PECOS24 mi
See all 37 clinicians

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

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 Natarajan Medical Group Of Illinois, PC's NPI number?

The NPI number for Natarajan Medical Group Of Illinois, PC is 1639430861. It was assigned to this organization in the NPPES registry on June 5, 2012. The provider is doing business as AccentCare Medical Group of Illinois and Seasons Medical Group of Illinois.

Where is Natarajan Medical Group Of Illinois, PC located?

Natarajan Medical Group Of Illinois, PC is located at 6400 Shafer Ct Ste 300, Rosemont, IL 60018. The listed phone number is (847) 759-9449.

What is Natarajan Medical Group Of Illinois, PC's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207QH0002X.

Is Natarajan Medical Group Of Illinois, PC enrolled in Medicare?

Yes. Natarajan Medical Group Of Illinois, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Natarajan Medical Group Of Illinois, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 37 clinicians in 8 Medicare specialties reassign their Medicare billing to Natarajan Medical Group Of Illinois, PC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (17), Internal Medicine (7) and Family Practice (5). Of these, 3 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Natarajan Medical Group Of Illinois, PC was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.