DONG HUM YOON MD
NPI 1477915767
Colon & Rectal Surgery in Fullerton, CA
About Dong Hum Yoon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONG HUM YOON MD (NPI 1477915767) is an individual colon & rectal surgery provider in Fullerton, California, licensed in California (A154606) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Dong Hum Yoon Md 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 Dong Hum Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Brea, CA 92821
- Reassigned Medicare billing, California enrollment
- 1,699 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 9
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 92835 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Dong Hum Yoon's NPI number?
The NPI number for Dong Hum Yoon is 1477915767. It was assigned to this individual provider in the NPPES registry on March 24, 2016. The provider is also known as Mr. Don Yoon.
Where is Dong Hum Yoon located?
Dong Hum Yoon practices at 1950 Sunny Crest Dr Ste 3500, Fullerton, CA 92835. The listed phone number is (714) 408-4249.
What is Dong Hum Yoon's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Dong Hum Yoon enrolled in Medicare?
Yes. Dong Hum Yoon 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 Dong Hum Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dong Hum Yoon reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Fullerton, CA) and Providence Medical Foundation (Brea, CA). 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 Dong Hum Yoon'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 Dong Hum Yoon was last updated on September 22, 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.
# Dong Hum Yoon, MD · NPI 1477915767
Colon & Rectal Surgery physician in Fullerton, California. Individual provider, active in the CMS NPPES registry since March 24, 2016.
## Identity
- **NPI:** 1477915767 (Entity type: Individual)
- **Enumerated:** March 24, 2016
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **State license:** A154606 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1950 SUNNY CREST DR STE 3500, Fullerton, CA 92835-3646
- **Phone:** (714) 408-4249
## 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): Southern California Permanente Medical Group (NPI 1336556059, Fullerton, CA); Providence Medical Foundation (NPI 1871607762, Brea, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2016
## Record status
- **NPPES last updated:** September 22, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1477915767) · Data from the CMS NPPES public registry.