Alexander Eller, M.D.
NPI 1942734892 · Family Medicine Physician · San Marcos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Eller, M.D. is a Family Medicine Physician provider in San Marcos, CA (NPI 1942734892).
Provider details
- NPI number
- 1942734892
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A157562 (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
9 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 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 430 | 186 |
| Lisinopril | 281 | 111 |
| Losartan Potassium | 273 | 100 |
| Rosuvastatin Calcium | 244 | 104 |
| Levothyroxine Sodium | 235 | 91 |
| Amlodipine Besylate | 222 | 94 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-18
- Last updated
- 2025-07-17
- Certified
- 2025-07-17
Frequently asked questions
- What is Alexander Eller's NPI number?
- Alexander Eller's National Provider Identifier (NPI) is 1942734892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Eller's specialty?
- Alexander Eller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Eller located?
- Alexander Eller's practice location on file with NPPES is 400 Craven Rd, San Marcos, CA 92078-4201.
- What is Alexander Eller's phone number?
- The practice phone number listed in the NPPES registry for Alexander Eller is (833) 574-2273.
- Does Alexander Eller accept Medicare?
- Alexander Eller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Eller's NPI active?
- Yes — Alexander Eller's NPI (1942734892) is active in the NPPES registry as of the last update on 2025-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.