QUYEN NGUYEN
NPI 1194040303
Internal Medicine - Allergy & Immunology in Pittsburgh, PA
About Quyen Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
QUYEN NGUYEN (NPI 1194040303) is an individual allergy & immunology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD457181) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Upmc Presbyterian Shadyside, and is a graduate of University Of Pittsburgh School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Quyen Nguyen 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 Quyen Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Williamsport, PA 17701
- Reassigned Medicare billing, Pennsylvania enrollment
- 64 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAUpmc East
Acute Care Hospitals · Monroeville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
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 Quyen Nguyen's NPI number?
The NPI number for Quyen Nguyen is 1194040303. It was assigned to this individual provider in the NPPES registry on March 30, 2010.
Where is Quyen Nguyen located?
Quyen Nguyen practices at 3459 5th Ave Department Of Pulmonary Allergy And Critical Care Med, Pittsburgh, PA 15213. The listed phone number is (412) 692-2210.
What is Quyen Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Quyen Nguyen enrolled in Medicare?
Yes. Quyen 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 Quyen Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Quyen Nguyen reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Susquehanna Physician Services (Williamsport, PA). 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 Quyen Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Quyen Nguyen affiliated with any hospitals?
According to CMS data, Quyen Nguyen is affiliated with Upmc Presbyterian Shadyside and Upmc East.
When was this NPI record last updated?
The NPPES record for Quyen Nguyen was last updated on May 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Quyen Nguyen · NPI 1194040303
Allergy & Immunology physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 30, 2010.
## Identity
- **NPI:** 1194040303 (Entity type: Individual)
- **Enumerated:** March 30, 2010
- **Primary specialty:** Internal Medicine - Allergy & Immunology · taxonomy 207RA0201X
- **State license:** MD457181 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3459 5TH AVE, DEPARTMENT OF PULMONARY ALLERGY AND CRITICAL CARE MED, Pittsburgh, PA 15213-3236
- **Phone:** (412) 692-2210
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1548433527, Pittsburgh, PA); Susquehanna Physician Services (NPI 1083677868, Williamsport, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** May 24, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1194040303) · Data from the CMS NPPES public registry.