Doctor profile · Federal record

Dr. Lamson Nguyen, PA-C

Physician Assistant · Pleasanton, CA

  • NPI 1255954988
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5725 W Las Positas Blvd Ste 100A
Pleasanton, CA 945884054
(888) 924-1036
Additional location
8611 Beverly Ln
Dublin, CA 945681216
(925) 553-4275

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
June 19, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #58377

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255954988. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64,896
Distinct HCPCS
10
Medicare allowed
$729,856
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 25,500 20 $1
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 22,300 28 $3
J9271 Injection, pembrolizumab, 1 mg 6,803 11 $55
J0897 Injection, denosumab, 1 mg 5,820 34 $24
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,214 29 $0
J2469 Injection, palonosetron hcl, 25 mcg 950 23 $1
J2506 Injection, pegfilgrastim, excludes biosimilar, 0.5 mg 540 15 $78
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 383 137 $8
96375 Injection of additional new drug or substance into vein 338 40 $17
96413 Administration of chemotherapy into vein, 1 hour or less 199 52 $147

In context: peer comparison

Among 4 peers in this city , average services per provider: 1,507. This provider delivers 43× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$389
Transactions
14
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 6 $177.70
Janssen Biotech, Inc. 1 $38.88
Rigel Pharmaceuticals, Inc. 1 $29.49
Celgene Corporation 1 $26.14
E.R. Squibb & Sons, L.L.C. 1 $25.64
Eisai Inc. 1 $25.46
Merck Sharp & Dohme LLC 1 $24.04
Gilead Sciences, Inc. 1 $21.04
Takeda Pharmaceuticals U.S.A., Inc. 1 $20.47

By nature of payment

Food and Beverage
$290
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
312
Patients
160
Total drug cost
$47,127
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 39 33 $460
Ondansetron Hcl Generic 32 27 $302
Eliquis (Apixaban) Brand 27 11 $20,056
Xarelto (Rivaroxaban) Brand 27 12 $22,959
Anastrozole Generic 26 15 $798
Letrozole Generic 26 16 $845
Alendronate Sodium Generic 23 12 $336
Prednisone Generic 18 0 $167
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 0 $316
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 11 $123

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lamson Nguyen's medical specialty?
Dr. Lamson Nguyen practices Physician Assistant in Pleasanton, CA.
Where does Dr. Lamson Nguyen practice?
Dr. Lamson Nguyen practices at 5725 W Las Positas Blvd Ste 100A, Pleasanton, CA 945884054. Office phone: 8889241036.
What is Dr. Lamson Nguyen's NPI?
Dr. Lamson Nguyen's National Provider Identifier (NPI) is 1255954988, issued by NPPES.
Does Dr. Lamson Nguyen accept Medicare assignment?
Yes. Dr. Lamson Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lamson Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.