Avedik Semerjian, MD, FACP, FASN
Nephrology Physician · Lakewood, CA
Avedik Semerjian, MD, FACP, FASN is a nephrology physician with a practice address in Lakewood, California, and NPI 1831120591, issued on Jul 5, 2006. Check the license (California A46344, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Avedik Semerjian
- Credential
- MD, FACP, FASN
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A46344 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 E South St, Lakewood, CA 90805
- Phone
- (562) 630-3111
- Enumerated
- Jul 5, 2006
- Record last updated
- Apr 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (562) 630-3107
- Medicaid ID
- 00A463440 CA
- Medicare enrollment
- Enrolled (PECOS I20110318000659); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3300 E South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Avedik Semerjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A46344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average nephrology physician in 2024
3,460 Medicare Part D claims for 410 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Furosemide372 claims
- Sevelamer Carbonate207 claims
- Losartan Potassium206 claims
- Allopurinol181 claims
- Carvedilol177 claims
- Amlodipine Besylate176 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $247.11
7 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southland Renal Medical Group IncDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
Other nephrology physician records in California
- Antoine Abcar, MDLos Angeles, CA1245301159
- Basmah Abdalla, M.D.Los Angeles, CA1629394002
- Omaran Abdeen, M.D.Mission Hills, CA1700878410
- Joseph Abdelmalek, M.DSan Diego, CA1740485531
- Lama Abdelnour, MDLos Angeles, CA1477817542
- Amir Abdi Pour, MDLoma Linda, CA1912187477
- Anas Abou-Ismail, MDPalm Springs, CA1598078784
- Graham Abra, M.D.Stanford, CA1760644678
- Sreedhar Adapa, M.D.Visalia, CA1881997872
- Gbemisola Adenuga, M.D.Los Angeles, CA1952464661
Common questions
What is Avedik Semerjian, MD, FACP, FASN's NPI number?
Avedik Semerjian, MD, FACP, FASN's National Provider Identifier (NPI) is 1831120591, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Avedik Semerjian, MD, FACP, FASN located?
The NPPES record lists a practice address at 3300 E South St, Lakewood, CA, 90805. Phone: (562) 630-3111. Providers update this record themselves, so call before visiting.
How can I verify Avedik Semerjian, MD, FACP, FASN's license?
NPPES lists California license number A46344, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Avedik Semerjian, MD, FACP, FASN prescribe under Medicare Part D?
In 2024, Avedik Semerjian, MD, FACP, FASN had 3,460 Medicare Part D claims for 410 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Avedik Semerjian, MD, FACP, FASN's MIPS final score?
The 2023 MIPS final score is 89.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.