Aaron Lehman, M.D.
NPI 1184638090 · Internal Medicine Physician · Ramona, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Lehman, M.D. is a Internal Medicine Physician provider in Ramona, CA (NPI 1184638090).
Provider details
- NPI number
- 1184638090
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A81096 (CA)
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 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 113 |
| Lisinopril | 250 | 80 |
| Rosuvastatin Calcium | 208 | 74 |
| Amlodipine Besylate | 206 | 71 |
| Losartan Potassium | 189 | 68 |
| Levothyroxine Sodium | 186 | 63 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2021-11-04
- Certified
- 2021-11-04
Frequently asked questions
- What is Aaron Lehman's NPI number?
- Aaron Lehman's National Provider Identifier (NPI) is 1184638090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Lehman's specialty?
- Aaron Lehman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Lehman located?
- Aaron Lehman's practice location on file with NPPES is 217 Earlham St, Ramona, CA 92065-1589.
- What is Aaron Lehman's phone number?
- The practice phone number listed in the NPPES registry for Aaron Lehman is (760) 789-1223.
- Does Aaron Lehman accept Medicare?
- Aaron Lehman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Lehman's NPI active?
- Yes — Aaron Lehman's NPI (1184638090) is active in the NPPES registry as of the last update on 2021-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.