Doctor profile · Federal record

Dr. Dong Hum Yoon, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Fullerton, CA

  • NPI 1477915767
  • Accepts Medicare
  • MIPS 92.5 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1950 Sunny Crest Dr Ste 3500
Fullerton, CA 928353646
(714) 408-4249

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 22, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
California #A154606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477915767. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
3
Medicare allowed
$6,216
HCPCS Description Services Patients Avg allowed
46600 Diagnostic exam of anus using an endoscope 21 21 $138
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $122
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $180

In context: peer comparison

Among 2 peers in Fullerton Colon & Rectal Surgery Physician, average services per provider: 23. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,198
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 4 $3,184.54
Guard Medical INC. 1 $13.12

By nature of payment

Education
$3,000
Food and Beverage
$198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$35
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 16 16 $35

Frequently asked questions

Auto-generated from federal data
What is Dr. Dong Hum Yoon's medical specialty?
Dr. Dong Hum Yoon practices Colon & Rectal Surgery Physician in Fullerton, CA.
Where does Dr. Dong Hum Yoon practice?
Dr. Dong Hum Yoon practices at 1950 Sunny Crest Dr Ste 3500, Fullerton, CA 928353646. Office phone: 7144084249.
What is Dr. Dong Hum Yoon's NPI?
Dr. Dong Hum Yoon's National Provider Identifier (NPI) is 1477915767, issued by NPPES.
Does Dr. Dong Hum Yoon accept Medicare assignment?
Yes. Dr. Dong Hum Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dong Hum Yoon commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of anus using an endoscope (HCPCS 46600); New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.