Doctor profile · Federal record

Dr. Benjamin Leong, M.D.

Family Medicine Physician (CMS: Family Practice) · Foothill Ranch, CA

  • NPI 1184042202
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
26740 Towne Centre Dr Bldg C
Foothill Ranch, CA 926102839
(949) 588-9293
fax (949) 588-0409
Additional location
450 E Spring St, #1
Long Beach, CA 908061625
(562) 933-0055
fax (562) 933-0078
Mailing address
11 Technology Dr
Irvine, CA 926182302

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
December 1, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A141044

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184042202. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$973
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $88

In context: peer comparison

Among 3 peers in Foothill Ranch Family Medicine Physician, average services per provider: 40. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$128
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 1 $128.07

By nature of payment

Food and Beverage
$128

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
171
Patients
144
Total drug cost
$4,277
Drug Type Claims Patients Total cost
Prednisone Generic 34 34 $398
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 29 23 $460
Fluticasone Propionate Generic 27 20 $365
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 20 20 $371
Triamcinolone Acetonide Generic 15 14 $257
Alvesco (Ciclesonide) Brand 13 11 $2,091
Ciprofloxacin Hcl Generic 11 11 $95
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 11 $123
Topiramate Generic 11 0 $117

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Leong's medical specialty?
Dr. Benjamin Leong practices Family Medicine Physician in Foothill Ranch, CA.
Where does Dr. Benjamin Leong practice?
Dr. Benjamin Leong practices at 26740 Towne Centre Dr Bldg C, Foothill Ranch, CA 926102839. Office phone: 9495889293.
What is Dr. Benjamin Leong's NPI?
Dr. Benjamin Leong's National Provider Identifier (NPI) is 1184042202, issued by NPPES.
Does Dr. Benjamin Leong accept Medicare assignment?
Yes. Dr. Benjamin Leong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Leong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.