Avedik Semerjian, MD, FACP, FASN
NPI 1831120591 · Nephrology Physician · Lakewood, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Avedik Semerjian, MD, FACP, FASN is a Nephrology Physician provider in Lakewood, CA (NPI 1831120591).
Provider details
- NPI number
- 1831120591
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FACP, FASN
- Sex
- Male
- Sole proprietor
- No
- License
- A46344 (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
19 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
1,633 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 | 388 | $126 |
| Hemodialysis Procedure With Physician Evaluation90935 | 279 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 232 | $143 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 188 | $381 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 156 | $84 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 146 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 372 | 118 |
| Sevelamer Carbonate | 207 | 60 |
| Losartan Potassium | 206 | 64 |
| Allopurinol | 181 | 58 |
| Carvedilol | 177 | 43 |
| Amlodipine Besylate | 176 | 63 |
| Calcitriol | 160 | 45 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$247 across 7 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
- 2006-07-05
- Last updated
- 2020-04-01
- Certified
- 2020-04-01
Frequently asked questions
- What is Avedik Semerjian's NPI number?
- Avedik Semerjian's National Provider Identifier (NPI) is 1831120591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Avedik Semerjian's specialty?
- Avedik Semerjian is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Avedik Semerjian located?
- Avedik Semerjian's practice location on file with NPPES is 3300 E South St, Lakewood, CA 90805-4549.
- What is Avedik Semerjian's phone number?
- The practice phone number listed in the NPPES registry for Avedik Semerjian is (562) 630-3111.
- Does Avedik Semerjian accept Medicare?
- Avedik Semerjian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Avedik Semerjian's NPI active?
- Yes — Avedik Semerjian's NPI (1831120591) is active in the NPPES registry as of the last update on 2020-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.