Margarita Symonian Silver, M.D.
Nephrology Physician · Los Angeles, CA
Margarita Symonian Silver, M.D. is a nephrology physician with a practice address in Los Angeles, California, and NPI 1528140696, issued on Oct 19, 2006. Check the license (California A70249, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Margarita Symonian Silver
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A70249 CA
Self-reported in NPPES; status is on the state search - Practice location
- 201 S Alvarado St, Los Angeles, CA 90057
- Phone
- (213) 413-2929
- Enumerated
- Oct 19, 2006
- Record last updated
- Jun 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (213) 413-5936
- Medicaid ID
- 00A702490 CA
- Medicare enrollment
- Enrolled (PECOS I20040507001313); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 201 S Alvarado St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Dwyer, M.D.Gastroenterology Physician1366449969
Verify Margarita Symonian Silver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average nephrology physician in 2024
1,757 Medicare Part D claims for 95 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 33 claims were for opioids.
Most prescribed
- Furosemide79 claims
- Amlodipine Besylate66 claims
- Atorvastatin Calcium45 claims
- Levothyroxine Sodium44 claims
- Azithromycin43 claims
- Carvedilol42 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.
Industry payments in 2024: $561.87
24 payments; by number, the most common kind was food and beverage; the largest payer was Akebia Therapeutics 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.
Margarita Symonian Silver among 1,468 nephrology physician records in California
Margarita Symonian Silver, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1987 · median 2001 among the 1,128 with a school on file
- Record last updated2014 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Los Angeles → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Melvin Agatep, M.D.Los Angeles, CA 900571851440036
- Luon Peng, DOLos Angeles, CA 900631407937105
- Behnoud Beroukhim, M.D.Los Angeles, CA 900481639477136
- Sindhu Chandran, M.B.,B.S.West Hollywood, CA 900481598951014
- Theresa HenkeLos Angeles, CA 900481053636977
- Sanjeev Kumar, MDW Hollywood, CA 900481821736539
- Fatima Malik, M.DWest Hollywood, CA 900481447497219
- Reiad Najjar, MDWest Hollywood, CA 900481043498397
Common questions
What is Margarita Symonian Silver, M.D.'s NPI number?
Margarita Symonian Silver, M.D.'s National Provider Identifier (NPI) is 1528140696, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margarita Symonian Silver, M.D. located?
The NPPES record lists a practice address at 201 S Alvarado St, Los Angeles, CA, 90057. Phone: (213) 413-2929. Providers update this record themselves, so call before visiting.
How can I verify Margarita Symonian Silver, M.D.'s license?
NPPES lists California license number A70249, 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 Margarita Symonian Silver, M.D. prescribe under Medicare Part D?
In 2024, Margarita Symonian Silver, M.D. had 1,757 Medicare Part D claims for 95 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.