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KRISTYN ALYSE BREWER LICSW
NPI 1336591064
Counselor - Mental Health in Greenfield, MA

Active since July 06, 2016PECOS EnrolledAccepts Medicare Assignment
1 ARCH PL, GREENFIELD, MA 01301(413) 774-1000 Get Directions Write a Review

NPPES record last updated: August 2, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kristyn Alyse Brewer Licsw NPPES

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

KRISTYN ALYSE BREWER LICSW (NPI 1336591064) is an individual mental health provider in Greenfield, Massachusetts and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1336591064
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKRISTYN ALYSE BREWERCredential: LICSW
Location Address1 ARCH PLGreenfield, MA 01301-2457
Mailing Address1 Arch PlGreenfield, MA 01301-2457
Phone(413) 774-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 6, 2016
Last NPPES UpdateAugust 2, 2022
NPPES CertifiedAugust 2, 2022
✔ NPI 1336591064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1 ARCH PL, Greenfield, MA 01301
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Other Names 1

Former Name (1)Kristyn Alyse Masse

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kristyn Alyse Brewer Licsw 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 ID8325420458
PECOS Enrollment IDI20220805000073
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 Kristyn Brewer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical & Support Options, Inc
Same address
Community/Behavioral Health
1 ARCH PL
Greenfield, MA 01301
  • Reassigned Medicare billing, Massachusetts enrollment
  • 169 clinicians in this Medicare group
NPI 1831265115 (413) 774-1000

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.

DR. DEAUNA VENISE WEBB PSY.D
Psychologist (Clinical)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
KIMBERLY J LORD BSW
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
KEAGAN PAINE WELLS
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
KARIN WALZ
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
CLINICAL & SUPPORT OPTIONS, INC
Community/Behavioral Health
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
JULIA ALEXANDER
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
KATHERINE NORA O'BRIEN
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000
VICTORIA ADA MALENO
Counselor (Mental Health)
1 ARCH PL
GREENFIELD, MA 01301
Franklin County (413) 774-1000

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 Kristyn Brewer's NPI number?

The NPI number for Kristyn Brewer is 1336591064. It was assigned to this individual provider in the NPPES registry on July 6, 2016. The provider is also known as Kristyn Alyse Masse.

Where is Kristyn Brewer located?

Kristyn Brewer practices at 1 Arch Pl, Greenfield, MA 01301. The listed phone number is (413) 774-1000.

What is Kristyn Brewer's specialty?

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

Is Kristyn Brewer enrolled in Medicare?

Yes. Kristyn Brewer 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.

Which organization bills Medicare for Kristyn Brewer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristyn Brewer reassigns Medicare benefits to Clinical & Support Options, Inc (Greenfield, 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 Kristyn Brewer'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 Kristyn Brewer was last updated on August 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.