KATHERINE SIOBHAN RIVEST PA-C
NPI 1164766226
Physician Assistant - Medical in Easthampton, MA

Q: What is Katherine Rivest's NPI number?

The NPI number for Katherine Rivest is 1164766226. It was assigned to this individual provider in the NPPES registry on November 15, 2012. The provider is also known as Katherine Siobhan O'connor Pa-C.

Q: What is Katherine Rivest's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Rivest was last updated on January 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.

Active since November 15, 2012PECOS EnrolledAccepts Medicare Assignment

97.02/100

CMS Quality Rating

2 MECHANIC ST, SUITE A, EASTHAMPTON, MA 01027(413) 529-9282(413) 527-7526 Get Directions Write a Review

NPPES record last updated: January 12, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Katherine Siobhan Rivest Pa-c NPPES

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

KATHERINE SIOBHAN RIVEST PA-C (NPI 1164766226) is an individual medical provider in Easthampton, Massachusetts, licensed in Massachusetts (PA4575) and active in the NPI registry since November 2012. She is enrolled in Medicare PECOS, is affiliated with Holyoke Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1164766226

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameKATHERINE SIOBHAN RIVESTCredential: PA-C

Location Address2 MECHANIC ST, SUITE AEasthampton, MA 01027-1562

Mailing Address6 Parc Pl, Suite ASouthampton, MA 01073-9277 · (413) 529-9282 · Fax (413) 527-7526

Phone(413) 529-9282

Fax(413) 527-7526

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateNovember 15, 2012

Last NPPES UpdateJanuary 12, 2016

✔ NPI 1164766226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in MA · PA4575

2 MECHANIC ST, Easthampton, MA 01027

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Other Names 1

Former Name (1)Katherine Siobhan O'connor Pa-c

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

Katherine Siobhan Rivest Pa-c 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 ID6103058508

PECOS Enrollment IDI20140417002043

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

36 services36 patients

Hospital Affiliations CMS Care Compare

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

Holyoke Medical Center

Acute Care Hospitals · Holyoke, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220024

Location575 Beech StreetHolyoke, MA 01040 · Hampden County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.02/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

78.09

Promoting Interoperability

100

Improvement Activities

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.

ANNA MCHUGH

Counselor (Mental Health)

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

TATIANA PENA

Counselor (Mental Health)

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

LINDSAY ROGERS MPH

Counselor

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

MANHAN INTERNAL MEDICINE PC

Internal Medicine

2 MECHANIC ST, SUITE A
EASTHAMPTON, MA 01027

Hampshire County (413) 529-9282

CHRISTINA EILEEN CONLEY LMHC

Counselor (Mental Health)

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

CHRISTA DESROCHES

Counselor

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

SUE QUIGLEY PSYCHOLOGIST

Psychologist (Clinical)

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

RAVEN WALKER

Counselor

2 MECHANIC ST
EASTHAMPTON, MA 01027

Hampshire County (413) 540-1234

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 Katherine Rivest's NPI number?

The NPI number for Katherine Rivest is 1164766226. It was assigned to this individual provider in the NPPES registry on November 15, 2012. The provider is also known as Katherine Siobhan O'connor Pa-C.

Where is Katherine Rivest located?

Katherine Rivest practices at 2 Mechanic St Suite A, Easthampton, MA 01027. The listed phone number is (413) 529-9282.

What is Katherine Rivest's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Katherine Rivest enrolled in Medicare?

Yes. Katherine Rivest 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 Katherine Rivest affiliated with any hospitals?

According to CMS data, Katherine Rivest is affiliated with Holyoke Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Rivest was last updated on January 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.