Doctor profile · Federal record

Dr. Nghia Phan, D.O.

Family Medicine Physician (CMS: Family Practice) · Pomona, CA

  • NPI 1164415535
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
795 E 2Nd St Ste 5
Pomona, CA 917662007
(909) 865-2565
fax (909) 865-2955

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 6, 2015
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A10219

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164415535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
2
Medicare allowed
$8,604
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 58 33 $141
G0444 Annual depression screening, 5 to 15 minutes 20 20 $21

In context: peer comparison

Among 16 peers in Pomona Family Medicine Physician, average services per provider: 74. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$166
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $124.36
Dexcom, INC. 1 $23.67
Lilly USA, LLC 1 $18.10

By nature of payment

Food and Beverage
$166

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,008
Patients
357
Total drug cost
$22,028
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 157 62 $2,758
Lisinopril Generic 96 34 $1,050
Amlodipine Besylate Generic 82 31 $1,231
Metformin Hcl Generic 82 35 $896
Losartan Potassium Generic 79 34 $1,502
Levothyroxine Sodium Generic 70 25 $1,283
Gabapentin Generic 63 21 $1,745
Rosuvastatin Calcium Generic 63 20 $1,546
Fluticasone Propionate Generic 59 22 $1,633
Simvastatin Generic 57 18 $1,413

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nghia Phan's medical specialty?
Dr. Nghia Phan practices Family Medicine Physician in Pomona, CA.
Where does Dr. Nghia Phan practice?
Dr. Nghia Phan practices at 795 E 2Nd St Ste 5, Pomona, CA 917662007. Office phone: 9098652565.
What is Dr. Nghia Phan's NPI?
Dr. Nghia Phan's National Provider Identifier (NPI) is 1164415535, issued by NPPES.
Does Dr. Nghia Phan accept Medicare assignment?
Yes. Dr. Nghia Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nghia Phan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.