Doctor profile · Federal record

Dr. Nga Pham, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Jose, CA

  • NPI 1831118686
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1569 Lexann Ave, Suite 112
San Jose, CA 951211794
(408) 532-0105
fax (408) 532-0106

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 7, 2010
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A069545
Medicaid
CA #00A695450

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831118686. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
875
Distinct HCPCS
4
Medicare allowed
$91,644
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 740 157 $100
99214 Established patient office or other outpatient visit, 30-39 minutes 83 59 $148
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 33 33 $149
36415 Insertion of needle into vein for collection of blood sample 19 19 $8

In context: peer comparison

Among 94 peers in San Jose Internal Medicine Physician, average services per provider: 175. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,836
Patients
734
Total drug cost
$45,634
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 275 126 $7,261
Losartan Potassium Generic 229 91 $5,906
Omeprazole Generic 181 64 $1,814
Fluticasone Propionate Generic 172 60 $3,050
Triamcinolone Acetonide Generic 150 56 $1,899
Amlodipine Besylate Generic 143 62 $2,896
Celecoxib Generic 140 42 $7,299
Metformin Hcl Generic 92 44 $1,718
Gabapentin Generic 89 29 $3,371
Rosuvastatin Calcium Generic 81 39 $3,495

Frequently asked questions

Auto-generated from federal data
What is Dr. Nga Pham's medical specialty?
Dr. Nga Pham practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Nga Pham practice?
Dr. Nga Pham practices at 1569 Lexann Ave, San Jose, CA 951211794. Office phone: 4085320105.
What is Dr. Nga Pham's NPI?
Dr. Nga Pham's National Provider Identifier (NPI) is 1831118686, issued by NPPES.
Does Dr. Nga Pham accept Medicare assignment?
Yes. Dr. Nga Pham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nga Pham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.