Margarita Symonian Silver, MD, Inc
NPI 1356423370 · Nephrology Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Symonian Silver, MD, Inc is a Nephrology Physician organization in Los Angeles, CA (NPI 1356423370).
Provider details
- NPI number
- 1356423370
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Margarita Silver, President(213) 413-2929
- License
- A70249 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2020-08-22
Frequently asked questions
- What is Margarita Symonian Silver, MD, Inc's NPI number?
- Margarita Symonian Silver, MD, Inc's National Provider Identifier (NPI) is 1356423370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Margarita Symonian Silver, MD, Inc?
- Margarita Symonian Silver, MD, Inc is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Margarita Symonian Silver, MD, Inc located?
- Margarita Symonian Silver, MD, Inc's practice location on file with NPPES is 201 S Alvarado St, Los Angeles, CA 90057-2320.
- What is Margarita Symonian Silver, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Margarita Symonian Silver, MD, Inc is (213) 413-2929.
- Does Margarita Symonian Silver, MD, Inc accept Medicare?
- Margarita Symonian Silver, MD, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Margarita Symonian Silver, MD, Inc?
- The authorized official listed on Margarita Symonian Silver, MD, Inc's NPPES record is Margarita Silver, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Margarita Symonian Silver, MD, Inc's NPI active?
- Yes — Margarita Symonian Silver, MD, Inc's NPI (1356423370) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.