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DR. ARMEN SANOSYAN MD
NPI 1538721295
Internal Medicine - Allergy & Immunology in Saint Louis, MO

Active since July 02, 2019PECOS EnrolledAccepts Medicare Assignment
10 BARNES WEST DR, DIV IM ALLERGY AND IMMUNOLOGY, STE 200, SAINT LOUIS, MO 63141(314) 996-8670(866) 362-4984 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 3, 2025, Jul 6, 2022, Jul 2, 2019 (3 updates tracked since 2019).

About Dr. Armen Sanosyan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ARMEN SANOSYAN MD (NPI 1538721295) is an individual allergy & immunology provider in Saint Louis, Missouri, licensed in Missouri (2022020606) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1538721295
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameDR. ARMEN SANOSYANCredential: MD
Location Address10 BARNES WEST DR, DIV IM ALLERGY AND IMMUNOLOGY, STE 200Saint Louis, MO 63141-6287
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 996-8670 · Fax (866) 362-4984
Phone(314) 996-8670
Fax(866) 362-4984
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 2, 2019
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedJuly 6, 2022
✔ NPI 1538721295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in MO · 2022020606
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
Also ListedPediatricsTaxonomy 208000000X · License 2022020606 (MO)
Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X · License 2022020606 (MO)
10 BARNES WEST DR, Saint Louis, MO 63141
Open in Google Maps ↗

Other Identifiers 1

Medicaid200112358MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Armen Sanosyan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769980945
PECOS Enrollment IDI20250807001575
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MANASA MADHURI METIREDDY MD
Internal Medicine (Nephrology)
10 BARNES WEST DR, DIV IM NEPHROLOGY, STE 200
SAINT LOUIS, MO 63141
St. Louis County (314) 362-7603
DR. CARLOS ALFONSO QUILALA SANTOS MD
Internal Medicine (Infectious Disease)
10 BARNES WEST DR, POB 2 STE 200
SAINT LOUIS, MO 63141
St. Louis County (314) 747-2066
DR. MICHAEL G BEAT MD
Radiology (Radiation Oncology)
10 BARNES WEST DR, STE 101
SAINT LOUIS, MO 63141
St. Louis County (314) 996-3335
DR. ELLIE PATRICE FISHBEIN MD
Internal Medicine (Geriatric Medicine)
10 BARNES WEST DR, DIV IM GERIATRICS, STE 200
SAINT LOUIS, MO 63141
St. Louis County (314) 273-4374
DR. RAMA SURESH MD
Internal Medicine (Medical Oncology)
10 BARNES WEST DR, DIV IM MEDICAL ONCOLOGY, MOB #2
SAINT LOUIS, MO 63141
St. Louis County (800) 647-2098
DR. DAVID B CARR MD
Internal Medicine (Geriatric Medicine)
10 BARNES WEST DR, DIV IM GERIATRICS, STE 200
SAINT LOUIS, MO 63141
St. Louis County (314) 273-4374
DR. ROBERTO CIVITELLI MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10 BARNES WEST DR, DIV IM BONE AND MINERAL, STE 200
SAINT LOUIS, MO 63141
St. Louis County (314) 454-7775
DR. MUSTAFAA SALEEM MAHMOOD MD
Radiology (Radiation Oncology)
10 BARNES WEST DR, DEPT RADIATION ONCOLOGY, STE 101
SAINT LOUIS, MO 63141
St. Louis County (314) 996-3335

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Armen Sanosyan's NPI number?

The NPI number for Armen Sanosyan is 1538721295. It was assigned to this individual provider in the NPPES registry on July 2, 2019.

Where is Armen Sanosyan located?

Armen Sanosyan practices at 10 Barnes West Dr Div Im Allergy And Immunology, Ste 200, Saint Louis, MO 63141. The listed phone number is (314) 996-8670.

What is Armen Sanosyan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Armen Sanosyan enrolled in Medicare?

Yes. Armen Sanosyan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Armen Sanosyan accept?

Health plans from Cox HealthPlans list Armen Sanosyan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Armen Sanosyan affiliated with any hospitals?

According to CMS data, Armen Sanosyan is affiliated with Barnes Jewish Hospital and Christian Hospital Northeast.

When was this NPI record last updated?

The NPPES record for Armen Sanosyan was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.