Lam DO, M.D.
NPI 1588689814 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lam DO, M.D. is a Internal Medicine Physician provider in San Jose, CA (NPI 1588689814).
Provider details
- NPI number
- 1588689814
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G79296 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 422 | 165 |
| Amlodipine Besylate | 261 | 106 |
| Losartan Potassium | 192 | 80 |
| Lisinopril | 168 | 74 |
| Levothyroxine Sodium | 164 | 59 |
| Rosuvastatin Calcium | 127 | 59 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2021-12-03
Frequently asked questions
- What is Lam DO's NPI number?
- Lam DO's National Provider Identifier (NPI) is 1588689814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lam DO's specialty?
- Lam DO is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lam DO located?
- Lam DO's practice location on file with NPPES is 1642 E Capitol Expy, San Jose, CA 95121-1800.
- What is Lam DO's phone number?
- The practice phone number listed in the NPPES registry for Lam DO is (408) 270-0112.
- Does Lam DO accept Medicare?
- Lam DO is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lam DO's NPI active?
- Yes — Lam DO's NPI (1588689814) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.