Alison Lewis, M.D.
NPI 1770674202 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Lewis, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1770674202).
Provider details
- NPI number
- 1770674202
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C142752 (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
2 documented practice locations
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 43 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | — |
| Amlodipine Besylate | 33 | 21 |
| Lisinopril | 31 | 16 |
| Metformin Hcl | 30 | 17 |
| Gabapentin | 27 | 12 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 525 E Main StEl Cajon, CA 92020-4007Phone: (619) 515-2498
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2022-12-09
- Certified
- 2022-12-09
Frequently asked questions
- What is Alison Lewis's NPI number?
- Alison Lewis's National Provider Identifier (NPI) is 1770674202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Lewis's specialty?
- Alison Lewis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Lewis located?
- Alison Lewis's practice location on file with NPPES is 3420 College Ave, San Diego, CA 92115-7134.
- What is Alison Lewis's phone number?
- The practice phone number listed in the NPPES registry for Alison Lewis is (619) 515-2445.
- Does Alison Lewis accept Medicare?
- Alison Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Lewis's NPI active?
- Yes — Alison Lewis's NPI (1770674202) is active in the NPPES registry as of the last update on 2022-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.