Individual provider Active NPI

Armen Sanosyan, MD

  • Allergy & Immunology (Internal Medicine) Physician
  • Saint Louis, MO
National Provider Identifier
1538721295
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology (Internal Medicine) PhysicianTaxonomy code 207RA0201X
License
2022020606 Issued in MO
Practice address
10 Barnes West Dr
Div Im Allergy and Immunology, Ste 200
Saint Louis, MO 63141-6287
Phone
(314) 996-8670
Fax
(866) 362-4984
NPI assigned
Jul 2, 2019
Last updated
Nov 3, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology (Internal Medicine) Physician 207RA0201X 2022020606 MO Primary
Pediatrics Physician 208000000X 2022020606 MO
Pediatric Allergy/Immunology Physician 2080P0201X 2022020606 MO

Addresses

Primary practice location

10 Barnes West Dr
Div Im Allergy and Immunology, Ste 200
Saint Louis, MO 63141-6287

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 996-8670

Other identifiers 1

IdentifierTypeStateIssuer
200112358MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250807001575 MO Practitioner - Allergy/Immunology 2769980945 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Allergy/Immunology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

10 Barnes W Dr
200 Asthma and Allergy Center Wash Univ
St Louis, MO 63141-6350
Phone (314) 996-8670

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2022020606MOMDAllergy & Immunology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Jul 1, 2025 Accepting new patients
Washington University CurrentSince Jul 1, 2025 Accepting new patients
Washington University Past Accepting new patients

Locations

1 Childrens Pl
Saint Louis, MO 63110
Phone (314) 454-2076

10 Barnes West Dr
Ste 200
Saint Louis, MO 63141
Phone (314) 996-8670

1234 S Kingshighway Blvd
Ste 1100
Saint Louis, MO 63110

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1562025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1538721295",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-996-8670",
            "fax_number": "866-362-4984"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 BARNES WEST DR",
            "address_2": "DIV IM ALLERGY AND IMMUNOLOGY, STE 200",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631416287",
            "telephone_number": "314-996-8670",
            "fax_number": "866-362-4984"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANOSYAN",
        "first_name": "ARMEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-07-02",
        "last_updated": "2025-11-03",
        "certification_date": "2022-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0201X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "MO",
            "license": "2022020606",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2022020606",
            "primary": false
        },
        {
            "code": "2080P0201X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Allergy/Immunology",
            "state": "MO",
            "license": "2022020606",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200112358",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "10 Barnes West Dr",
            "address_2": "Div IM Allergy and Immunology, Ste 200",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416287",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.