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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.

BRIAN YOST
NPI 1083174999
Radiology - Diagnostic Radiology in Greenwich, CT

Active since March 25, 2019PECOS EnrolledAccepts Medicare Assignment
5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3409(203) 863-3446 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Brian Yost NPPES

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

BRIAN YOST (NPI 1083174999) is an individual diagnostic radiology provider in Greenwich, Connecticut, licensed in New York (307348) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and is a graduate of New York Medical College (2019).

NPPES Registry Identity

NPI1083174999
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameBRIAN YOST
Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608
Mailing Address42 New BroadwaySleepy Hollow, NY 10591-1725 · (603) 660-2198
Phone(203) 863-3409
Fax(203) 863-3446
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2019
Enumeration DateMarch 25, 2019
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1083174999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NY · 307348
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
5 PERRYRIDGE RD, Greenwich, CT 06830
Open in Google Maps ↗

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

Brian Yost 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 ID8022526607
PECOS Enrollment IDI20250805000869
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.

Maimonides Medical Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330194
Location4802 Tenth AvenueBrooklyn, NY 11219 · Kings County
Emergency services Birthing friendly

Suny/Downstate University Hospital Of Brooklyn

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330350
Location445 Lenox RoadBrooklyn, NY 11203 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

ZARA NADIA ILAHI MD
Pediatrics (Neonatal-Perinatal Medicine)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
SARAH STAMPER M.D.
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409
JUNE EVELYN JEON MD
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ARIANA DOMINICUS PA-C
Physician Assistant
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ERIC LI-MING HUANG BSC, PHARMD
Pharmacist (Pharmacotherapy)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3199
ROSEMARY PERLEY-KWAUK CRNA
Nurse Anesthetist, Certified Registered
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
DR. FRANCISCO J BREA MD
Anesthesiology
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
ANNE YAN TING CHUA MBBS
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409

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 Yost's NPI number?

The NPI number for Brian Yost is 1083174999. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Where is Brian Yost located?

Brian Yost practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3409.

What is Brian Yost's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Brian Yost enrolled in Medicare?

Yes. Brian Yost 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.

Is Brian Yost affiliated with any hospitals?

According to CMS data, Brian Yost is affiliated with Maimonides Medical Center and Suny/Downstate University Hospital Of Brooklyn.

When was this NPI record last updated?

The NPPES record for Brian Yost was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.