CECILIA BRENNAN
NPI 1093484123
Counselor - Mental Health in Vineyard Haven, MA

Active since September 11, 2021PECOS EnrolledAccepts Medicare Assignment
111 EDGARTOWN RD, VINEYARD HAVEN, MA 02568(508) 693-7900 Get Directions Write a Review

NPPES record last updated: September 11, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cecilia Brennan NPPES

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

CECILIA BRENNAN (NPI 1093484123) is an individual mental health provider in Vineyard Haven, Massachusetts and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1093484123
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameCECILIA BRENNAN
Location Address111 EDGARTOWN RDVineyard Haven, MA 02568-5699
Mailing AddressPo Box 485Oak Bluffs, MA 02557-0485 · (201) 981-5123
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateSeptember 11, 2021
NPPES CertifiedSeptember 11, 2021
✔ NPI 1093484123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
111 EDGARTOWN RD, Vineyard Haven, MA 02568

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

Cecilia Brennan 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 ID4981194685
PECOS Enrollment IDI20251110002234
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 Cecilia Brennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
111 EDGARTOWN RD
Oak Bluffs, MA 02557
  • Reassigned Medicare billing, Massachusetts enrollment
  • 29 clinicians in this Medicare group

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.

Counselor (Mental Health)
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Counselor (Mental Health)
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Counselor
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Nurse Practitioner (Psychiatric/Mental Health)
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Counselor
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Social Worker (Clinical)
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Counselor
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568
Nurse Practitioner (Psychiatric/Mental Health)
111 EDGARTOWN RD
VINEYARD HAVEN, MA 02568

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 Cecilia Brennan's NPI number?

The NPI number for Cecilia Brennan is 1093484123. It was assigned to this individual provider in the NPPES registry on September 11, 2021.

Where is Cecilia Brennan located?

Cecilia Brennan practices at 111 Edgartown Rd, Vineyard Haven, MA 02568. The listed phone number is (508) 693-7900.

What is Cecilia Brennan's specialty?

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

Is Cecilia Brennan enrolled in Medicare?

Yes. Cecilia Brennan 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 Cecilia Brennan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cecilia Brennan reassigns Medicare benefits to Martha's Vineyard Community Services, Inc. (Oak Bluffs, 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 Cecilia Brennan'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 Cecilia Brennan was last updated on September 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.