Natarajan Medical Group of Illinois, PC
NPI 1639430861 · Hospice and Palliative Medicine (Family Medicine) Physician · Rosemont, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natarajan Medical Group of Illinois, PC is a Hospice and Palliative Medicine (Family Medicine) Physician organization in Rosemont, IL (NPI 1639430861).
Provider details
- NPI number
- 1639430861
- Entity type
- Organization
- Primary specialty
- Hospice and Palliative Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Carrie Bill, Vp Reimbursement(847) 692-1148
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Accentcare Medical Group of Illinois
- Doing business as
- Seasons Medical Group of Illinois
- Doing business as
- Seasons Medical Group of Illinois
Registry dates
- Enumerated
- 2012-06-05
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Natarajan Medical Group of Illinois, PC's NPI number?
- Natarajan Medical Group of Illinois, PC's National Provider Identifier (NPI) is 1639430861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Natarajan Medical Group of Illinois, PC?
- Natarajan Medical Group of Illinois, PC is classified in the NPPES registry as Hospice and Palliative Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Natarajan Medical Group of Illinois, PC located?
- Natarajan Medical Group of Illinois, PC's practice location on file with NPPES is 6400 Shafer Ct Ste 300, Rosemont, IL 60018-4929.
- What is Natarajan Medical Group of Illinois, PC's phone number?
- The practice phone number listed in the NPPES registry for Natarajan Medical Group of Illinois, PC is (847) 759-9449.
- Does Natarajan Medical Group of Illinois, PC accept Medicare?
- Natarajan Medical Group of Illinois, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Natarajan Medical Group of Illinois, PC?
- The authorized official listed on Natarajan Medical Group of Illinois, PC's NPPES record is Carrie Bill, Vp Reimbursement. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Natarajan Medical Group of Illinois, PC's NPI active?
- Yes — Natarajan Medical Group of Illinois, PC's NPI (1639430861) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.