BRITTANY MICHELLE MATHES WINNICKI PHD
NPI 1619673191
Psychologist - Clinical in Jamaica Plain, MA

Q: What is Brittany Mathes Winnicki's NPI number?

The NPI number for Brittany Mathes Winnicki is 1619673191. It was assigned to this individual provider in the NPPES registry on February 6, 2023.

Q: What is Brittany Mathes Winnicki's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: Is Brittany Mathes Winnicki enrolled in Medicare?

No. Brittany Mathes Winnicki has opted out of Medicare through September 26, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Active since February 06, 2023Opted out of Medicare · through Sep 26, 2026

32 SHERIDAN ST, JAMAICA PLAIN, MA 02130(617) 671-0839 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 19, 2024, Aug 11, 2024, Feb 6, 2023 (3 updates tracked since 2023).

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About Brittany Michelle Mathes Winnicki Phd NPPES

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

BRITTANY MICHELLE MATHES WINNICKI PHD (NPI 1619673191) is an individual clinical provider in Jamaica Plain, Massachusetts, licensed in Massachusetts (PSY10000700) and active in the NPI registry since February 2023. She has opted out of Medicare through September 26, 2026.

NPPES Registry Identity

NPI1619673191

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameBRITTANY MICHELLE MATHES WINNICKICredential: PHD

Location Address32 SHERIDAN STJamaica Plain, MA 02130-4692

Mailing Address32 Sheridan St Apt 2Jamaica Plain, MA 02130-4692 · (617) 671-0839

Phone(617) 671-0839

Sole ProprietorYes

Enumeration DateFebruary 6, 2023

Last NPPES UpdateFebruary 20, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 20, 2026

✔ NPI 1619673191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Licenses✔ Licensed in MA · PSY10000700✔ Licensed in RI · PS02151

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

32 SHERIDAN ST, Jamaica Plain, MA 02130

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Brittany Michelle Mathes Winnicki Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 26, 2024 through September 26, 2026.

Opt-Out Effective DateSeptember 26, 2024

Opt-Out In Effect ThroughSeptember 26, 2026Opt-out affidavits renew automatically every two years unless cancelled

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 Brittany Mathes Winnicki's NPI number?

The NPI number for Brittany Mathes Winnicki is 1619673191. It was assigned to this individual provider in the NPPES registry on February 6, 2023.

Where is Brittany Mathes Winnicki located?

Brittany Mathes Winnicki practices at 32 Sheridan St, Jamaica Plain, MA 02130. The listed phone number is (617) 671-0839.

What is Brittany Mathes Winnicki's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Brittany Mathes Winnicki enrolled in Medicare?

No. Brittany Mathes Winnicki has opted out of Medicare through September 26, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Brittany Mathes Winnicki accept?

Health plans from Anthem Blue Cross and Blue Shield list Brittany Mathes Winnicki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brittany Mathes Winnicki was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.