Doctor profile · Federal record

Dr. Oi Chung, P.A.,N.P.

Physician Assistant · Nurse Practitioner · Monterey Park, CA

  • NPI 1104085893
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
525 N Garfield Ave
Monterey Park, CA 917541202
(626) 573-2222
Additional location
2710 Gateway Oaks Dr Ste 150N
Sacramento, CA 958333502
(646) 876-8455
fax (914) 565-8656
Mailing address
Po Box 660579
Arcadia, CA 910660579

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
September 17, 2024
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
California #PA19610 · California #NP584426

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104085893. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,251
Transactions
33
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 14 $616.70
Phathom Pharmaceuticals, Inc. 7 $234.29
Madrigal Pharmaceuticals 3 $187.46
ABBVIE INC. 5 $105.08
Ardelyx, Inc. 3 $85.11
AIMMUNE THERAPEUTICS, INC. 1 $22.09

By nature of payment

Food and Beverage
$1,251

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
970
Patients
463
Total drug cost
$376,351
Drug Type Claims Patients Total cost
Vemlidy (Tenofovir Alafenamide) Brand 212 29 $304,314
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 136 134 $2,603
Tenofovir Disoproxil Fumarate Generic 91 21 $17,153
Omeprazole Generic 80 38 $726
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 70 70 $12,081
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 69 68 $5,272
Famotidine Generic 44 18 $460
Entecavir Generic 43 0 $4,773
Lactulose Generic 42 0 $2,315
Sucralfate Generic 42 13 $4,190

Frequently asked questions

Auto-generated from federal data
What is Dr. Oi Chung's medical specialty?
Dr. Oi Chung practices Physician Assistant in Monterey Park, CA.
Where does Dr. Oi Chung practice?
Dr. Oi Chung practices at 525 N Garfield Ave, Monterey Park, CA 917541202. Office phone: 6265732222.
What is Dr. Oi Chung's NPI?
Dr. Oi Chung's National Provider Identifier (NPI) is 1104085893, issued by NPPES.