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TRISTON RILEY PA-C
NPI 1124959507
Physician Assistant in Massena, NY

Active since May 26, 2026PECOS Enrolled
31 HOSPITAL DR, MASSENA, NY 13662(315) 769-1099 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Triston Riley Pa-c NPPES

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

TRISTON RILEY PA-C (NPI 1124959507) is an individual physician assistant in Massena, New York and active in the NPI registry since May 2026. He is enrolled in Medicare PECOS and maintains a secondary practice location in Massena.

NPPES Registry Identity

NPI1124959507
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameTRISTON RILEYCredential: PA-C
Location Address31 HOSPITAL DRMassena, NY 13662-1009
Mailing Address2292 State Highway 11cNorth Lawrence, NY 12967-1409 · (315) 261-9247
Phone(315) 769-1099
Sole ProprietorYes
Enumeration DateMay 26, 2026
NPPES CertifiedMay 26, 2026
✔ NPI 1124959507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
31 HOSPITAL DR, Massena, NY 13662
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Secondary Practice Location 1

Location 11 Hospital DrMassena, NY 13662-1056 · Phone (315) 769-4200

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Triston Riley Pa-c 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 13662 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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 4

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

SANJEEV AND MUKTA GUPTA
Clinic/Center (Multi-Specialty)
31 HOSPITAL DR
MASSENA, NY 13662
St. Lawrence County (315) 769-1099
MR. SANJEEV GUPTA MD
Pediatrics
31 HOSPITAL DR
MASSENA, NY 13662
St. Lawrence County (315) 769-1099
MRS. CASSANDRA LYNN LASHOMB PHYSICIAN ASSISTANT
Physician Assistant
31 HOSPITAL DR
MASSENA, NY 13662
St. Lawrence County (315) 769-1099
MRS. MUKTA GUPTA MD
Internal Medicine
31 HOSPITAL DR
MASSENA, NY 13662
St. Lawrence County (315) 769-1099

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 Triston Riley's NPI number?

The NPI number for Triston Riley is 1124959507. It was assigned to this individual provider in the NPPES registry on May 26, 2026.

Where is Triston Riley located?

Triston Riley practices at 31 Hospital Dr, Massena, NY 13662. The listed phone number is (315) 769-1099.

What is Triston Riley's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Triston Riley enrolled in Medicare?

Yes. Triston Riley is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Triston Riley was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.