Lamson Nguyen, PA-C
NPI 1255954988 · Physician Assistant · Pleasanton, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lamson Nguyen, PA-C is a Physician Assistant provider in Pleasanton, CA (NPI 1255954988).
Provider details
- NPI number
- 1255954988
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 58377 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
860 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 277 | $129 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 160 | $8 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 97 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $93 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 75 | $15 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 61 | 29 |
| Rivaroxabanbrand: Xarelto | 50 | 15 |
| Prochlorperazine Maleate | 43 | 30 |
| Anastrozole | 40 | 19 |
| Ondansetron Hcl | 31 | 22 |
| Dexamethasone | 30 | 11 |
| Alendronate Sodium | 28 | — |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$389 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8611 Beverly LnDublin, CA 94568-1216Phone: (925) 553-4275
Registry dates
- Enumerated
- 2020-05-28
- Last updated
- 2024-06-19
- Certified
- 2024-06-19
Frequently asked questions
- What is Lamson Nguyen's NPI number?
- Lamson Nguyen's National Provider Identifier (NPI) is 1255954988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lamson Nguyen's specialty?
- Lamson Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lamson Nguyen located?
- Lamson Nguyen's practice location on file with NPPES is 5725 W Las Positas Blvd Ste 100a, Pleasanton, CA 94588-4054.
- What is Lamson Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Lamson Nguyen is (888) 924-1036.
- Does Lamson Nguyen accept Medicare?
- Lamson Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lamson Nguyen's NPI active?
- Yes — Lamson Nguyen's NPI (1255954988) is active in the NPPES registry as of the last update on 2024-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.