Dr. Margarita S. Symonian Silver, MD
- Medicare services, 2024
- 585
- Medicare patients, 2024
- 80
- Part D claims, 2024
- 1,757
- Hospital affiliations
- 3
- Industry payments
- $2,111
- Practice address
- 2645 33rd St, Santa Monica, CA 90405
- Practice phone
- Call (213) 487-7730
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
U.S. Renal Care Downtown Los Angeles Dialysis
Santa Monica, California
Find Dr. Symonian Silver's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Margarita S. Symonian Silver is a nephrologist in Santa Monica, California
Dr. Symonian Silver practices at U.S. Renal Care Downtown Los Angeles Dialysis in Santa Monica, California.
Dr. Symonian Silver's NPI, 1528140696, was assigned on October 19, 2006. Dr. Symonian Silver graduated from Yerevan State Medical University in 1987. Dr. Symonian Silver's California license number on file is A70249.
- NPI
- 1528140696NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315936002
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 487-7730
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margarita S. Symonian Silver practices at U.S. Renal Care Downtown Los Angeles Dialysis in Santa Monica, California
Dr. Symonian Silver's primary practice is U.S. Renal Care Downtown Los Angeles Dialysis, at 2645 33rd St, Santa Monica, CA 90405 in Los Angeles County. The practice phone is (213) 487-7730.
- U.S. Renal Care Downtown Los Angeles Dialysis2645 33rd St, Santa Monica, CA 90405 · Los Angeles CountyPhone(213) 487-7730
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Margarita S. Symonian Silver is affiliated with 8 sites of care
Dr. Symonian Silver's primary practice is U.S. Renal Care Downtown Los Angeles Dialysis in Santa Monica, California. Dr. Symonian Silver is also affiliated with Adventist Health Glendale. Dmand AI also links Dr. Symonian Silver to 2 more hospitals, 2 dialysis centers, 1 physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Margarita S. Symonian Silver's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Symonian Silver practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| U.S. Renal Care Downtown Los Angeles Dialysis | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margarita S. Symonian Silver is one of 1,401 nephrologists in California
Nephrology is Dr. Symonian Silver's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Symonian Silver has a license on file in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Symonian Silver treats.
Nephrologists near Dr. Symonian Silver
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Margarita S. Symonian Silver billed Medicare for 585 services in 2024
CMS data shows 585 Medicare services from Dr. Symonian Silver across 5 procedure codes in 2024, for 80 Medicare patients. Medicare paid $123,592 for them.
Dr. Symonian Silver's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4112024: 34616%
- Office and hospital visits
- 2023: 2172024: 23910%
Where Dr. Symonian Silver's Medicare services took place, 2024
- In an office40369%
- In a facility18231%
Dr. Symonian Silver compared with the California median for nephrologists, 2024
- Dr. Symonian Silver
- California median
- Medicare services
- 585vs 1,08446% below
- Medicare patients
- 80vs 30774% below
- Part D claims
- 1,495vs 95557% above
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Symonian Silver's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Symonian Silver?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Symonian Silver and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margarita S. Symonian Silver treated 80 Medicare patients in 2024, average age 71
CMS counts 80 Medicare patients who saw Dr. Symonian Silver in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 80% are also on Medicaid. Their average risk score is 5.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Symonian Silver's median patient age at 68, with 46% women.
Dr. Symonian Silver's Medicare patients by age, 2024
Dr. Symonian Silver's Medicare patients by sex, 2024
- Women4759%
- Men3341%
Chronic conditions among Dr. Symonian Silver's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure58%
- Arthritis56%
- Ischemic heart disease46%
- Atrial fibrillation26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Symonian Silver's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margarita S. Symonian Silver wrote 1,757 Medicare Part D claims in 2024
In 2024, Dr. Symonian Silver wrote 1,757 Medicare Part D claims for 95 patients. 74% of them were for generic drugs. CMS names the drug for 1,495 of them, across 66 drugs with 11 or more claims each, at $161,853 in total drug cost. In 2023, CMS named 1,494 claims across 64 drugs.
Dr. Symonian Silver's Part D claims by kind of drug, 2024
- Generic1,306 claims74%
- Brand-name407 claims23%
- Other44 claims3%
Dr. Symonian Silver's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Symonian Silver's Part D claims, 2024
- Opioids2%33 of 1,757 claims
- Antibiotics6%98 of 1,757 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4942024: 1,495No change
Drugs named by CMS: 66 in 2024, 64 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Margarita S. Symonian Silver takes part in Medicare
Dr. Symonian Silver accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Margarita S. Symonian Silver received $2,111 in industry payments from 2017 to 2025
CMS Open Payments shows 89 general payments to Dr. Symonian Silver from 15 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 91% of the total. Akebia Therapeutics Inc paid the most, $702.
General payments to Dr. Symonian Silver by program year, 2017 to 2025
General payments to Dr. Symonian Silver by kind, 2017 to 2025
- Food and beverage$1,91191%
- Education$2009%
Companies that paid Dr. Symonian Silver the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margarita S. Symonian Silver graduated from Yerevan State Medical University
Dr. Symonian Silver graduated from Yerevan State Medical University in 1987. Dr. Symonian Silver is a member of ASN.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Margarita S. Symonian Silver accepts plans from 11 insurance carriers
Dr. Symonian Silver is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +3 more carriersWith a free account
Plan types Dr. Symonian Silver accepts, by number of carriers
- Medicare8
- PPO8
- HMO6
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Margarita S. Symonian Silver's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Margarita S. Symonian Silver
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Margarita S. Symonian Silver's NPI number?
Dr. Margarita S. Symonian Silver's NPI number is 1528140696. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Margarita S. Symonian Silver?
Dr. Margarita S. Symonian Silver is a nephrologist in Santa Monica, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Margarita S. Symonian Silver practice?
Dr. Symonian Silver practices at 2645 33rd St, Santa Monica, CA 90405. Dr. Symonian Silver's primary practice is U.S. Renal Care Downtown Los Angeles Dialysis in Santa Monica, California. Dmand AI also links Dr. Symonian Silver to 2 hospitals, 2 dialysis centers, 1 physician office and 1 home health agency.
What is Dr. Margarita S. Symonian Silver's office phone number?
The practice phone on file for Dr. Symonian Silver is (213) 487-7730.
What is Dr. Margarita S. Symonian Silver's medical license number?
Dr. Symonian Silver's California license number on file is A70249.
Which hospitals is Dr. Margarita S. Symonian Silver affiliated with?
Dr. Symonian Silver is affiliated with Adventist Health Glendale. Dmand AI links Dr. Symonian Silver to 2 more hospitals.
Does Dr. Margarita S. Symonian Silver accept Medicare?
Yes. CMS data shows Dr. Symonian Silver billed Medicare for 585 services in 2024, and Dr. Symonian Silver accepts Medicare assignment.
How many Medicare patients does Dr. Margarita S. Symonian Silver see?
CMS counts 80 Medicare patients who saw Dr. Symonian Silver in 2024, with an average age of 71.
What services does Dr. Margarita S. Symonian Silver bill to Medicare?
In 2024, Dr. Symonian Silver's most billed Medicare services were dialysis (90960), hospital inpatient care (99233) and office visit, established patient (99214).
Where did Dr. Margarita S. Symonian Silver go to medical school?
Dr. Symonian Silver graduated from Yerevan State Medical University in 1987.
Show 4 more questionsShow fewer questions
What drugs does Dr. Margarita S. Symonian Silver prescribe most?
In 2024 Medicare Part D data, Dr. Symonian Silver's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Margarita S. Symonian Silver received payments from drug or device companies?
CMS Open Payments shows $2,111 in general payments to Dr. Symonian Silver from 15 companies from 2017 to 2025. The largest total came from Akebia Therapeutics Inc.
How long has Dr. Margarita S. Symonian Silver been practicing?
Dr. Symonian Silver graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Margarita S. Symonian Silver accept?
Dr. Symonian Silver is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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