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BARBARA KEEZELL, PC
NPI 1518012707
Social Worker - Clinical in Brookline, MA

Active since January 25, 2007
1415 BEACON ST, ROOM 302, BROOKLINE, MA 02446(617) 730-9400 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Barbara Keezell, Pc NPPES

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

BARBARA KEEZELL, PC (NPI 1518012707) is a healthcare organization registered as a clinical in Brookline, Massachusetts and active in the NPI registry since January 2007. The organization lists Barbara Keezell, President, as its authorized official.

NPPES Registry Identity

NPI1518012707
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameBARBARA KEEZELL, PC
Location Address1415 BEACON ST, ROOM 302Brookline, MA 02446-4816
Mailing Address1415 Beacon St, Room 302Brookline, MA 02446-4816 · (617) 730-9400
Phone(617) 730-9400
Organization SubpartNo
Authorized OfficialBarbara KeezellPresident · (617) 730-9400
Enumeration DateJanuary 25, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1518012707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 105296
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1415 BEACON ST, Brookline, MA 02446
Open in Google Maps ↗

Other Identifiers 1

OtherPO3843MA · Blue Crossblue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Barbara Keezell, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20081029000662Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Barbara Keezell, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Barbara Keezell, LICSW
Clinical Social Worker
NPI 1770638975
1415 BEACON ST ROOM 302
Brookline, MA 02446
(617) 730-9400
✔ PECOS✔ Accepts MedicareSame address

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

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 Barbara Keezell, PC's NPI number?

The NPI number for Barbara Keezell, PC is 1518012707. It was assigned to this organization in the NPPES registry on January 25, 2007.

Where is Barbara Keezell, PC located?

Barbara Keezell, PC is located at 1415 Beacon St Room 302, Brookline, MA 02446. The listed phone number is (617) 730-9400.

What is Barbara Keezell, PC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Barbara Keezell, PC enrolled in Medicare?

Yes. Barbara Keezell, PC is registered in the Medicare PECOS enrollment system.

When is Barbara Keezell, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Barbara Keezell, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Barbara Keezell, PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Barbara Keezell, PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.