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KATELYN MESSIER M.A. INTERN
NPI 1609355643
Counselor - Mental Health in West Springfield, MA

Active since August 10, 2018PECOS Enrolled
103 MYRON ST STE A, WEST SPRINGFIELD, MA 01089(413) 592-1980(413) 439-0100 Get Directions Write a Review

NPPES record last updated: August 10, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Katelyn Messier M.a. Intern NPPES

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

KATELYN MESSIER M.A. INTERN (NPI 1609355643) is an individual mental health provider in West Springfield, Massachusetts and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1609355643
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATELYN MESSIERCredential: M.A. INTERN
Location Address103 MYRON ST STE AWest Springfield, MA 01089-1485
Mailing Address103 Myron St Ste AWest Springfield, MA 01089-1485 · (413) 592-1980 · Fax (413) 439-0100
Phone(413) 592-1980
Fax(413) 439-0100
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 10, 2018
✔ NPI 1609355643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
103 MYRON ST STE A, West Springfield, MA 01089
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katelyn Messier M.a. Intern is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204394471
PECOS Enrollment IDI20260818002947
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.

Medicare Billing Reassignment

Medicare enrollment records show Katelyn Messier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northeast Health Services, LLC
81 mi
Mental Health (Including Community Mental Health Center)
30 TAUNTON GREEN, SUITE 5
Taunton, MA 02780
  • Reassigned Medicare billing, Massachusetts enrollment
  • 689 clinicians in this Medicare group
NPI 1225067481 (508) 880-6666

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MR. JACK HARARI MSW
Social Worker (Clinical)
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980
JACQUELINE ID-DEEN
Social Worker
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980
ANDREA REILLY
Student in an Organized Health Care Education/Training Program
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980
KARINA VELAZQUEZ MSW INTERN
Social Worker (Clinical)
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980
MARIAH LEE RAMOS MA PSYCHOLOGY & MHC
Counselor (Mental Health)
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 474-9053
BRITTANY RODRIGUEZ MSW, LSW
Social Worker (Clinical)
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-4198
MICHELE CHAWLA MSW INTERN
Social Worker (Clinical)
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980
SHARLENE MARY SULLIVAN MA LDAC1
Counselor (Addiction (Substance Use Disorder))
103 MYRON ST STE A
WEST SPRINGFIELD, MA 01089
Hampden County (413) 592-1980

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 Katelyn Messier's NPI number?

The NPI number for Katelyn Messier is 1609355643. It was assigned to this individual provider in the NPPES registry on August 10, 2018.

Where is Katelyn Messier located?

Katelyn Messier practices at 103 Myron St Ste A, West Springfield, MA 01089. The listed phone number is (413) 592-1980.

What is Katelyn Messier's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Katelyn Messier enrolled in Medicare?

Yes. Katelyn Messier is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katelyn Messier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Messier reassigns Medicare benefits to Northeast Health Services, LLC (Taunton, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katelyn Messier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katelyn Messier was last updated on August 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.