Doctor profile · Federal record

Dr. Kenneth Phun, MD

Psychiatry Physician (CMS: Psychiatry) · Rosemead, CA

  • NPI 1801837927
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2418 San Gabriel Blvd
Rosemead, CA 917703648
(626) 288-7321
fax (626) 571-5275

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 1, 2011
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A48951
Medicaid
CA #00A489510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801837927. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,656
Distinct HCPCS
3
Medicare allowed
$494,234
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 2,328 254 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 2,307 248 $139
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $179

In context: peer comparison

Among 3 peers in this city , average services per provider: 601. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 1 $19.16
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $18.96

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,651
Patients
378
Total drug cost
$83,753
Drug Type Claims Patients Total cost
Olanzapine Generic 329 38 $16,075
Quetiapine Fumarate Generic 276 39 $17,276
Trazodone Hcl Generic 247 39 $3,058
Risperidone Generic 231 31 $4,353
Clonazepam Generic 208 29 $3,146
Gabapentin Generic 206 23 $2,947
Paroxetine Hcl Generic 181 28 $2,228
Aripiprazole Generic 167 24 $20,608
Benztropine Mesylate Generic 149 28 $2,280
Divalproex Sodium Generic 129 14 $4,642

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Phun's medical specialty?
Dr. Kenneth Phun practices Psychiatry Physician in Rosemead, CA.
Where does Dr. Kenneth Phun practice?
Dr. Kenneth Phun practices at 2418 San Gabriel Blvd, Rosemead, CA 917703648. Office phone: 6262887321.
What is Dr. Kenneth Phun's NPI?
Dr. Kenneth Phun's National Provider Identifier (NPI) is 1801837927, issued by NPPES.
Does Dr. Kenneth Phun accept Medicare assignment?
Yes. Dr. Kenneth Phun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Phun commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.