Amanda Lam, M.D
NPI 1255536942 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amanda Lam, M.D is a Internal Medicine Physician provider in San Diego, CA (NPI 1255536942).
Provider details
- NPI number
- 1255536942
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 2010-01477 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 390 | 125 |
| Losartan Potassium | 287 | 87 |
| Amlodipine Besylate | 232 | 76 |
| Levothyroxine Sodium | 201 | 62 |
| Lisinopril | 176 | 58 |
| Hydrochlorothiazide | 171 | 62 |
| Atenolol | 164 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-20
- Last updated
- 2021-12-14
Frequently asked questions
- What is Amanda Lam's NPI number?
- Amanda Lam's National Provider Identifier (NPI) is 1255536942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amanda Lam's specialty?
- Amanda Lam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amanda Lam located?
- Amanda Lam's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Amanda Lam's phone number?
- The practice phone number listed in the NPPES registry for Amanda Lam is (619) 543-1849.
- Does Amanda Lam accept Medicare?
- Amanda Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amanda Lam's NPI active?
- Yes — Amanda Lam's NPI (1255536942) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.