Claudia Lam
NPI 1538858725 · Physician Assistant · San Diego, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claudia Lam is a Physician Assistant provider in San Diego, CA (NPI 1538858725).
Provider details
- NPI number
- 1538858725
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 63341 (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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 33 |
| Semaglutidebrand: Ozempic | 47 | 11 |
| Gabapentin | 46 | 22 |
| Metformin Hcl | 46 | 22 |
| Levothyroxine Sodium | 43 | 18 |
| Amlodipine Besylate | 41 | 13 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$384 across 19 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
Registry dates
- Enumerated
- 2023-05-03
- Last updated
- 2024-10-31
- Certified
- 2024-10-31
Frequently asked questions
- What is Claudia Lam's NPI number?
- Claudia Lam's National Provider Identifier (NPI) is 1538858725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Lam's specialty?
- Claudia Lam is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Claudia Lam located?
- Claudia Lam's practice location on file with NPPES is 3811 El Cajon Blvd, San Diego, CA 92105-1020.
- What is Claudia Lam's phone number?
- The practice phone number listed in the NPPES registry for Claudia Lam is (619) 284-5622.
- Does Claudia Lam accept Medicare?
- Claudia Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claudia Lam's NPI active?
- Yes — Claudia Lam's NPI (1538858725) is active in the NPPES registry as of the last update on 2024-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.