TIFFANY NGOC TRUONG DO
NPI 1821748252
Pediatrics in Chicago, IL
About Tiffany Ngoc Truong Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIFFANY NGOC TRUONG DO (NPI 1821748252) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036175145) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tiffany Ngoc Truong Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Tiffany Truong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 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 60637 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 60637
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 Tiffany Truong's NPI number?
The NPI number for Tiffany Truong is 1821748252. It was assigned to this individual provider in the NPPES registry on March 28, 2022.
Where is Tiffany Truong located?
Tiffany Truong practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.
What is Tiffany Truong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Tiffany Truong enrolled in Medicare?
Yes. Tiffany Truong is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tiffany Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Truong reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (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 Tiffany Truong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tiffany Truong was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Tiffany Ngoc Truong, DO · NPI 1821748252
Pediatrics physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 28, 2022.
## Identity
- **NPI:** 1821748252 (Entity type: Individual)
- **Enumerated:** March 28, 2022
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036175145 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1443
- **Phone:** (888) 824-0200
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821748252) · Data from the CMS NPPES public registry.