Haig Aharonian, M.D.
NPI 1205107653 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Haig Aharonian, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1205107653).
Provider details
- NPI number
- 1205107653
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A124502 (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
14 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 76 | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 65 | 60 |
| Atorvastatin Calcium | 64 | 37 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 62 | 62 |
| Azithromycin | 59 | 59 |
| Gabapentin | 50 | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-01-17
- Last updated
- 2024-10-15
- Certified
- 2020-10-09
Frequently asked questions
- What is Haig Aharonian's NPI number?
- Haig Aharonian's National Provider Identifier (NPI) is 1205107653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haig Aharonian's specialty?
- Haig Aharonian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Haig Aharonian located?
- Haig Aharonian's practice location on file with NPPES is 1520 San Pablo St, Los Angeles, CA 90033-5310.
- What is Haig Aharonian's phone number?
- The practice phone number listed in the NPPES registry for Haig Aharonian is (323) 442-5100.
- Does Haig Aharonian accept Medicare?
- Haig Aharonian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Haig Aharonian's NPI active?
- Yes — Haig Aharonian's NPI (1205107653) is active in the NPPES registry as of the last update on 2024-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.