Arshian Mahajan, M.D.
NPI 1164737623 · Family Medicine Physician · Livermore, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arshian Mahajan, M.D. is a Family Medicine Physician provider in Livermore, CA (NPI 1164737623).
Provider details
- NPI number
- 1164737623
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A122166 (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
15 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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 183 | 74 |
| Levothyroxine Sodium | 139 | 40 |
| Amlodipine Besylate | 119 | 47 |
| Losartan Potassium | 88 | 34 |
| Lisinopril | 81 | 30 |
| Fluticasone Propionate | 69 | 28 |
| Hydrochlorothiazide | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-08-09
- Last updated
- 2022-08-24
- Certified
- 2022-08-24
Frequently asked questions
- What is Arshian Mahajan's NPI number?
- Arshian Mahajan's National Provider Identifier (NPI) is 1164737623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arshian Mahajan's specialty?
- Arshian Mahajan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arshian Mahajan located?
- Arshian Mahajan's practice location on file with NPPES is 3000 Las Positas Rd, Livermore, CA 94551-9627.
- What is Arshian Mahajan's phone number?
- The practice phone number listed in the NPPES registry for Arshian Mahajan is (209) 468-6000.
- Does Arshian Mahajan accept Medicare?
- Arshian Mahajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arshian Mahajan's NPI active?
- Yes — Arshian Mahajan's NPI (1164737623) is active in the NPPES registry as of the last update on 2022-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.