Doctor profile · Federal record

Dr. Robert Peterson, D.O.

Psychiatry Physician (CMS: Psychiatry) · Gardena, CA

  • NPI 1669865424
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1045 W Redondo Beach Blvd Fl 3
Gardena, CA 902474128
(323) 241-6730

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
October 27, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #20A14381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669865424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
2
Medicare allowed
$10,638
HCPCS Description Services Patients Avg allowed
99443 Telephone medical discussion with physician, 21-30 minutes 69 27 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $139

In context: peer comparison

Among 6 peers in this city , average services per provider: 168. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 1 $15.04

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
624
Patients
61
Total drug cost
$33,778
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 87 15 $925
Mirtazapine Generic 82 18 $1,054
Quetiapine Fumarate Generic 65 15 $2,059
Escitalopram Oxalate Generic 47 13 $808
Risperidone Generic 47 0 $476
Sertraline Hcl Generic 41 0 $380
Aripiprazole Generic 40 0 $1,530
Hydroxyzine Pamoate Generic 38 0 $347
Benztropine Mesylate Generic 34 0 $259
Olanzapine Generic 31 0 $475

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Peterson's medical specialty?
Dr. Robert Peterson practices Psychiatry Physician in Gardena, CA.
Where does Dr. Robert Peterson practice?
Dr. Robert Peterson practices at 1045 W Redondo Beach Blvd Fl 3, Gardena, CA 902474128. Office phone: 3232416730.
What is Dr. Robert Peterson's NPI?
Dr. Robert Peterson's National Provider Identifier (NPI) is 1669865424, issued by NPPES.
Does Dr. Robert Peterson accept Medicare assignment?
Yes. Dr. Robert Peterson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Peterson commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.