Doctor profile · Federal record

Dr. John Luo, MD

Psychiatry Physician (CMS: Psychiatry) · Orange, CA

  • NPI 1093748535
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3800 W Chapman Ave Ste 500
Orange, CA 928681638
(714) 456-5902
Additional location
101 the City Dr S
Orange, CA 928683201
(714) 456-8888
Additional location
760 Westwood Plaza, Mail Code 175919
Los Angeles, CA 900958353
(310) 206-5448
fax (310) 206-2072
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A55398
Medicaid
CA #00A553980

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093748535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
408
Distinct HCPCS
6
Medicare allowed
$49,638
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 210 135 $128
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 64 31 $84
90792 Psychiatric diagnostic evaluation with medical services 52 49 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 41 21 $93
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 14 $53
90792 Psychiatric diagnostic evaluation with medical services 14 14 $198

In context: peer comparison

Among 9 peers in Orange Psychiatry Physician, average services per provider: 159. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka Pharmaceutical Development & Commercialization, INC. 2 $39.40

By nature of payment

Food and Beverage
$39

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$586
Drug Type Claims Patients Total cost
Clozapine Generic 24 0 $586

Frequently asked questions

Auto-generated from federal data
What is Dr. John Luo's medical specialty?
Dr. John Luo practices Psychiatry Physician in Orange, CA.
Where does Dr. John Luo practice?
Dr. John Luo practices at 3800 W Chapman Ave Ste 500, Orange, CA 928681638. Office phone: 7144565902.
What is Dr. John Luo's NPI?
Dr. John Luo's National Provider Identifier (NPI) is 1093748535, issued by NPPES.
Does Dr. John Luo accept Medicare assignment?
Yes. Dr. John Luo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Luo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.