DR. PETER SANGEYUP YUN MD, MPH
NPI 1255919882
Emergency Medicine in Dallas, TX
About Dr. Peter Sangeyup Yun Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER SANGEYUP YUN MD, MPH (NPI 1255919882) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (U0685) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Parkland Health & Hospital System, and is a graduate of Other (2021).
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
Dr. Peter Sangeyup Yun Md, Mph 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 Peter Yun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75390
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 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.
Parkland Health & Hospital System
Acute Care Hospitals · Dallas, TXUt Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75390 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.
DALLAS, TX 75390
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 Peter Yun's NPI number?
The NPI number for Peter Yun is 1255919882. It was assigned to this individual provider in the NPPES registry on April 2, 2021.
Where is Peter Yun located?
Peter Yun practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 648-2672.
What is Peter Yun's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Peter Yun enrolled in Medicare?
Yes. Peter Yun 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 Peter Yun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Yun reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and Medical Faculty Associates, Inc (Washington, DC). 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 Peter Yun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Yun accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Peter Yun 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 Peter Yun affiliated with any hospitals?
According to CMS data, Peter Yun is affiliated with Parkland Health & Hospital System and Ut Southwestern University Hospital - William P. Clements Jr..
When was this NPI record last updated?
The NPPES record for Peter Yun was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Peter Sangeyup Yun, MD, MPH · NPI 1255919882
Emergency Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since April 2, 2021.
## Identity
- **NPI:** 1255919882 (Entity type: Individual)
- **Enumerated:** April 2, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** U0685 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5323 HARRY HINES BLVD, Dallas, TX 75390-7201
- **Phone:** (214) 648-2672
## 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 Texas Southwestern Medical Center At Dallas (NPI 1104891050, Dallas, TX); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 18, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1255919882) · Data from the CMS NPPES public registry.