NISHA NAYAK NP
NPI 1174414403
Nurse Practitioner in Downers Grove, IL
About Nisha Nayak Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NISHA NAYAK NP (NPI 1174414403) is an individual nurse practitioner in Downers Grove, Illinois, licensed in Illinois (209032403) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Nisha Nayak Np 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.
Medicare Billing Reassignment
Medicare enrollment records show Nisha Nayak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Good Samaritan Hospital
Acute Care Hospitals · Downers Grove, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60515 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nisha Nayak's NPI number?
The NPI number for Nisha Nayak is 1174414403. It was assigned to this individual provider in the NPPES registry on July 14, 2025.
Where is Nisha Nayak located?
Nisha Nayak practices at 3815 Highland Ave Ste G130a, Downers Grove, IL 60515. The listed phone number is (312) 609-0300.
What is Nisha Nayak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Nisha Nayak enrolled in Medicare?
Yes. Nisha Nayak 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 organization bills Medicare for Nisha Nayak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nisha Nayak reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Downers Grove, IL). 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 Nisha Nayak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nisha Nayak accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Nisha Nayak 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 Nisha Nayak affiliated with any hospitals?
According to CMS data, Nisha Nayak is affiliated with Advocate Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Nisha Nayak was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Nisha Nayak, NP · NPI 1174414403
Nurse Practitioner physician in Downers Grove, Illinois. Individual provider, active in the CMS NPPES registry since July 14, 2025.
## Identity
- **NPI:** 1174414403 (Entity type: Individual)
- **Enumerated:** July 14, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209032403 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3815 HIGHLAND AVE STE G130A, Downers Grove, IL 60515-1500
- **Phone:** (312) 609-0300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Advocate Health And Hospitals Corporation (NPI 1578670543, Downers Grove, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** November 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174414403) · Data from the CMS NPPES public registry.