ANNA NGUYEN DO
NPI 1245619667
Family Medicine in Chicago, IL
About Anna Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA NGUYEN DO (NPI 1245619667) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036146421) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Nova Southeastern Univ College Of Dental Medicine (2015).
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
Anna Nguyen Do 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
2Medicare enrollment records show Anna Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60632
- Reassigned Medicare billing, Illinois enrollment
- 123 clinicians in this Medicare group
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 383 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.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60632 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60632
CHICAGO, IL 60632
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 Anna Nguyen's NPI number?
The NPI number for Anna Nguyen is 1245619667. It was assigned to this individual provider in the NPPES registry on May 19, 2015.
Where is Anna Nguyen located?
Anna Nguyen practices at 4700 S California Ave, Chicago, IL 60632. The listed phone number is (773) 584-6100.
What is Anna Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Anna Nguyen enrolled in Medicare?
Yes. Anna Nguyen 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 Anna Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Nguyen reassigns Medicare benefits to 2 organizations: Esperanza Health Centers (Chicago, IL) and Erie Family Health Center Inc (Chicago, IL). 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 Anna Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Nguyen accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Anna Nguyen 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 Anna Nguyen affiliated with any hospitals?
According to CMS data, Anna Nguyen is affiliated with Mt Sinai Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Anna Nguyen was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.