Jeffrey Lam, PA-C
NPI 1851022735 · Physician Assistant · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Lam, PA-C is a Physician Assistant provider in Sunnyvale, CA (NPI 1851022735).
Provider details
- NPI number
- 1851022735
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA61407 (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
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 54 | 17 |
| Amlodipine Besylate | 31 | 11 |
| Lisinopril | 31 | — |
| Losartan Potassium | 22 | — |
| Hydrochlorothiazide | 19 | — |
| Allopurinol | 18 | — |
| Tamsulosin Hcl | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$956 across 59 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 (2)
- 221 E Hacienda Ave Ste BCampbell, CA 95008-6625Phone: (408) 376-3350
- 410 River Side Ct Apt 312Santa Clara, CA 95054-3541Phone: (909) 346-5332
Registry dates
- Enumerated
- 2022-06-21
- Last updated
- 2025-04-22
- Certified
- 2025-04-22
Frequently asked questions
- What is Jeffrey Lam's NPI number?
- Jeffrey Lam's National Provider Identifier (NPI) is 1851022735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Lam's specialty?
- Jeffrey Lam is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jeffrey Lam located?
- Jeffrey Lam's practice location on file with NPPES is 301 Old San Francisco Rd, Sunnyvale, CA 94086-6386.
- What is Jeffrey Lam's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Lam is (408) 730-4262.
- Does Jeffrey Lam accept Medicare?
- Jeffrey Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Lam's NPI active?
- Yes — Jeffrey Lam's NPI (1851022735) is active in the NPPES registry as of the last update on 2025-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.