Aida Siyahian, MD
NPI 1891314563 · Pediatrics Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aida Siyahian, MD is a Pediatrics Physician provider in Los Angeles, CA (NPI 1891314563).
Provider details
- NPI number
- 1891314563
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A185031 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$239 across 2 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
- 2020-04-13
- Last updated
- 2024-06-26
- Certified
- 2024-06-26
Frequently asked questions
- What is Aida Siyahian's NPI number?
- Aida Siyahian's National Provider Identifier (NPI) is 1891314563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aida Siyahian's specialty?
- Aida Siyahian is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Aida Siyahian located?
- Aida Siyahian's practice location on file with NPPES is 4650 W Sunset Blvd, Los Angeles, CA 90027-6062.
- What is Aida Siyahian's phone number?
- The practice phone number listed in the NPPES registry for Aida Siyahian is (323) 361-2122.
- Does Aida Siyahian accept Medicare?
- Aida Siyahian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aida Siyahian's NPI active?
- Yes — Aida Siyahian's NPI (1891314563) is active in the NPPES registry as of the last update on 2024-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.