Hrak Derderian, M.D.
NPI 1619034725 · Emergency Medicine Physician · West Hills, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hrak Derderian, M.D. is a Emergency Medicine Physician provider in West Hills, CA (NPI 1619034725).
Provider details
- NPI number
- 1619034725
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A92365 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,400 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 742 | $176 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 430 | $121 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 114 | $71 |
| Critical Care, First 30-74 Minutes99291 | 71 | $214 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 24 | $8 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 19 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 159 | 150 |
| Meloxicam | 132 | 132 |
| Azithromycin | 99 | 95 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 89 | 86 |
| Ondansetronbrand: Ondansetron Odt | 88 | 85 |
| Dicyclomine Hcl | 60 | 58 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 60 | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Hrak Derderian's NPI number?
- Hrak Derderian's National Provider Identifier (NPI) is 1619034725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hrak Derderian's specialty?
- Hrak Derderian is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hrak Derderian located?
- Hrak Derderian's practice location on file with NPPES is 7300 Medical Center Dr, West Hills, CA 91307-1902.
- What is Hrak Derderian's phone number?
- The practice phone number listed in the NPPES registry for Hrak Derderian is (818) 676-4000.
- Does Hrak Derderian accept Medicare?
- Hrak Derderian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hrak Derderian's NPI active?
- Yes — Hrak Derderian's NPI (1619034725) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.