Doctor profile · Federal record

Dr. Hyun Chung, OTD, OTR/L

Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Fullerton, CA

  • NPI 1932477148
  • 24 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1180 Cornwell Dr
Fullerton, CA 928335759
(714) 222-0711

Credentials & registration

NPPES · NUCC
NPI registered
December 2011 — 15 yrs on file
Profile last updated
March 8, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
225X00000X — NUCC code
State license (1)
California #OT7337

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932477148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,095
Distinct HCPCS
5
Medicare allowed
$220,769
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 3,964 163 $23
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 1,799 155 $31
97140 Therapy procedure using manual technique, each 15 minutes 1,150 159 $21
97535 Training for self-care or home management, each 15 minutes 1,048 163 $33
97166 Evaluation for occupational therapy, typically 45 minutes 134 127 $105

In context: peer comparison

Among 3 peers in this city , average services per provider: 950. This provider delivers 8.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Hyun Chung's medical specialty?
Dr. Hyun Chung practices Occupational Therapist in Fullerton, CA.
Where does Dr. Hyun Chung practice?
Dr. Hyun Chung practices at 1180 Cornwell Dr, Fullerton, CA 928335759. Office phone: 7142220711.
What is Dr. Hyun Chung's NPI?
Dr. Hyun Chung's National Provider Identifier (NPI) is 1932477148, issued by NPPES.
Does Dr. Hyun Chung accept Medicare assignment?
Dr. Hyun Chung does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Hyun Chung commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.