Armen Sanosyan, MD
NPI 1538721295 · Allergy & Immunology (Internal Medicine) Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Armen Sanosyan, MD is a Allergy & Immunology (Internal Medicine) Physician provider in Saint Louis, MO (NPI 1538721295).
Provider details
- NPI number
- 1538721295
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2022020606 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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.
$114 across 1 record (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
- 2019-07-02
- Last updated
- 2025-11-03
- Certified
- 2022-07-06
Frequently asked questions
- What is Armen Sanosyan's NPI number?
- Armen Sanosyan's National Provider Identifier (NPI) is 1538721295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Armen Sanosyan's specialty?
- Armen Sanosyan is listed in the NPPES registry with a primary specialty of Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Armen Sanosyan located?
- Armen Sanosyan's practice location on file with NPPES is 10 Barnes West Dr, Saint Louis, MO 63141-6287.
- What is Armen Sanosyan's phone number?
- The practice phone number listed in the NPPES registry for Armen Sanosyan is (314) 996-8670.
- Does Armen Sanosyan accept Medicare?
- Armen Sanosyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Armen Sanosyan's NPI active?
- Yes — Armen Sanosyan's NPI (1538721295) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.