Berj Dermendjian, D.O
NPI 1225488851 · Internal Medicine Physician · Sherman Oaks, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Berj Dermendjian, D.O is a Internal Medicine Physician provider in Sherman Oaks, CA (NPI 1225488851).
Provider details
- NPI number
- 1225488851
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A18670 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,928 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,037 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 572 | $81 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 378 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 289 | $179 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 258 | $119 |
| Advance Care Planning, First 30 Minutes99497 | 232 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 377 | 134 |
| Metformin Hcl | 178 | 65 |
| Amlodipine Besylate | 172 | 73 |
| Losartan Potassium | 159 | 57 |
| Lisinopril | 137 | 48 |
| Levothyroxine Sodium | 106 | 31 |
| Carvedilol | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$603 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-14
- Last updated
- 2024-12-17
- Certified
- 2024-12-17
Frequently asked questions
- What is Berj Dermendjian's NPI number?
- Berj Dermendjian's National Provider Identifier (NPI) is 1225488851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Berj Dermendjian's specialty?
- Berj Dermendjian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Berj Dermendjian located?
- Berj Dermendjian's practice location on file with NPPES is 4955 Van Nuys Blvd Ste 308, Sherman Oaks, CA 91403-1811.
- What is Berj Dermendjian's phone number?
- The practice phone number listed in the NPPES registry for Berj Dermendjian is (818) 905-5583.
- Does Berj Dermendjian accept Medicare?
- Berj Dermendjian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Berj Dermendjian's NPI active?
- Yes — Berj Dermendjian's NPI (1225488851) is active in the NPPES registry as of the last update on 2024-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.