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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BRIAN HASSAN SLAYYEH DO
NPI 1174228704
Emergency Medicine in Saint Louis, MO

Active since April 03, 2023PECOS Enrolled
1 BARNES JEWISH HOSPITAL PLZ, DEPT EMERGENCY MED, SAINT LOUIS, MO 63110(314) 362-9123(314) 362-0478 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Apr 3, 2023 (2 updates tracked since 2023).

About Dr. Brian Hassan Slayyeh Do NPPES

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

DR. BRIAN HASSAN SLAYYEH DO (NPI 1174228704) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2026016286) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174228704
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BRIAN HASSAN SLAYYEHCredential: DO
Location Address1 BARNES JEWISH HOSPITAL PLZ, DEPT EMERGENCY MEDSaint Louis, MO 63110-1003
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-9123 · Fax (314) 362-0478
Phone(314) 362-9123
Fax(314) 362-0478
Sole ProprietorNo
Enumeration DateApril 3, 2023
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedApril 3, 2023
✔ NPI 1174228704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MO · 2026016286
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Brian Hassan Slayyeh Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
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. MARGARET LEIGHTON MCNAIRY MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
ANNA RABINOV ANNA RABINOV
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
St. Louis City (314) 747-3000
MRS. MICHELLE MARIE BLOOM ACNP
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
St. Louis City (800) 862-9980
DR. FARIS ADAM BAKEER MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. REHAN RAIS MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. RANDY OLIVIER LAINE MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. BRADLEY SETH KUSHNER MD
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
St. Louis City (314) 273-7373
MS. KELSEY ELISE FOGUS CRNA
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
St. Louis City (800) 862-9980

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 Brian Slayyeh's NPI number?

The NPI number for Brian Slayyeh is 1174228704. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is Brian Slayyeh located?

Brian Slayyeh practices at 1 Barnes Jewish Hospital Plz Dept Emergency Med, Saint Louis, MO 63110. The listed phone number is (314) 362-9123.

What is Brian Slayyeh's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Brian Slayyeh enrolled in Medicare?

Yes. Brian Slayyeh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brian Slayyeh was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.