CYNTHIA TSOU DNP, FNP-BC
NPI 1154894012
Nurse Practitioner - Family in Naperville, IL
About Cynthia Tsou Dnp, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA TSOU DNP, FNP-BC (NPI 1154894012) is an individual family provider in Naperville, Illinois, licensed in Illinois (209018881) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Cynthia Tsou Dnp, Fnp-bc 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 Reassignments
3Medicare enrollment records show Cynthia Tsou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Naperville, IL 60564
- Reassigned Medicare billing, Illinois enrollment
- 4 clinicians in this Medicare group
Joliet, IL 60432
- Reassigned Medicare billing, Illinois enrollment
- 4 clinicians in this Medicare group
Highlands Ranch, CO 80126
- Reassigned Medicare billing, Colorado enrollment
- 205 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60564 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAPERVILLE, IL 60564
NAPERVILLE, IL 60564
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 Cynthia Tsou's NPI number?
The NPI number for Cynthia Tsou is 1154894012. It was assigned to this individual provider in the NPPES registry on January 3, 2019.
Where is Cynthia Tsou located?
Cynthia Tsou practices at 1309 Macom Dr Ste 101, Naperville, IL 60564. The listed phone number is (630) 236-8018.
What is Cynthia Tsou's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cynthia Tsou enrolled in Medicare?
Yes. Cynthia Tsou 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 organizations bill Medicare for Cynthia Tsou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Tsou reassigns Medicare benefits to 3 organizations: Jigar Thakkar MD Sc (Naperville, IL), Rapid Healthcare Ltd (Joliet, IL) and The Little Clinic Of Colorado, LLC (Highlands Ranch, CO). Each 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 Cynthia Tsou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cynthia Tsou accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Cynthia Tsou 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 Cynthia Tsou was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Cynthia Tsou, DNP, FNP-BC · NPI 1154894012
Family physician in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since January 3, 2019.
## Identity
- **NPI:** 1154894012 (Entity type: Individual)
- **Enumerated:** January 3, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209018881 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1309 MACOM DR STE 101, Naperville, IL 60564-3206
- **Phone:** (630) 236-8018
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Jigar Thakkar MD Sc (NPI 1215210190, Naperville, IL); Rapid Healthcare Ltd (NPI 1386309599, Joliet, IL); The Little Clinic Of Colorado, LLC (NPI 1538354568, Highlands Ranch, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 14, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1154894012) · Data from the CMS NPPES public registry.