Zareh Pirjanian, MD
NPI 1619195427 · Internal Medicine Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zareh Pirjanian, MD is a Internal Medicine Physician provider in Glendale, CA (NPI 1619195427).
Provider details
- NPI number
- 1619195427
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A107211 (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
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 34 | 33 |
| Apixabanbrand: Eliquis | 33 | 13 |
| Atorvastatin Calcium | 32 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 29 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 24 |
| Amlodipine Besylate | 19 | — |
Practice location
Mailing address
Additional practice locations (1)
- 225 W Broadway Ste 100Glendale, CA 91204-1393Phone: (818) 545-7117
Registry dates
- Enumerated
- 2007-04-24
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Zareh Pirjanian's NPI number?
- Zareh Pirjanian's National Provider Identifier (NPI) is 1619195427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zareh Pirjanian's specialty?
- Zareh Pirjanian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zareh Pirjanian located?
- Zareh Pirjanian's practice location on file with NPPES is 1420 S Central Ave, Glendale, CA 91204-2508.
- What is Zareh Pirjanian's phone number?
- The practice phone number listed in the NPPES registry for Zareh Pirjanian is (818) 838-4587.
- Does Zareh Pirjanian accept Medicare?
- Zareh Pirjanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zareh Pirjanian's NPI active?
- Yes — Zareh Pirjanian's NPI (1619195427) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.