DR. RANJANA NATH MD
NPI 1982762456
Pediatrics in Crystal Lake, IL
About Dr. Ranjana Nath Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RANJANA NATH MD (NPI 1982762456) is an individual pediatrics provider in Crystal Lake, Illinois, licensed in Illinois (036-096681) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ranjana Nath Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ranjana Nath reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
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 Ranjana Nath's NPI number?
The NPI number for Ranjana Nath is 1982762456. It was assigned to this individual provider in the NPPES registry on December 5, 2006.
Where is Ranjana Nath located?
Ranjana Nath practices at 350 E Congress Pkwy Ste E, Crystal Lake, IL 60014. The listed phone number is (815) 477-1555.
What is Ranjana Nath's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ranjana Nath enrolled in Medicare?
Yes. Ranjana Nath is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ranjana Nath's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ranjana Nath reassigns Medicare benefits to Mercy Health System Corporation (Janesville, WI). The 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 Ranjana Nath's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ranjana Nath accept?
Health plans from Anthem Blue Cross and Blue Shield, MercyCare and MercyCare Health Plans list Ranjana Nath 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.
When was this NPI record last updated?
The NPPES record for Ranjana Nath was last updated on January 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Ranjana Nath, MD · NPI 1982762456
Pediatrics physician in Crystal Lake, Illinois. Individual provider, active in the CMS NPPES registry since December 5, 2006.
## Identity
- **NPI:** 1982762456 (Entity type: Individual)
- **Enumerated:** December 5, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036-096681 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 E CONGRESS PKWY, STE E, Crystal Lake, IL 60014-6284
- **Phone:** (815) 477-1555
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Health System Corporation (NPI 1598718603, Janesville, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 16, 2013
- **Other identifiers:** Other NATHRAN (WI); Medicare PIN 214660L66984 (IL); Medicare UPIN G82819; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1982762456) · Data from the CMS NPPES public registry.