MARY GILROY BARTLETT
NPI 1194456277
Counselor - Mental Health in Boston, MA

Active since June 21, 2022PECOS Enrolled
1601 WASHINGTON ST, BOSTON, MA 02118(617) 425-2000(617) 425-2061 Get Directions Write a Review

NPPES record last updated: June 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Gilroy Bartlett NPPES

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

MARY GILROY BARTLETT (NPI 1194456277) is an individual mental health provider in Boston, Massachusetts and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1194456277
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARY GILROY BARTLETT
Location Address1601 WASHINGTON STBoston, MA 02118-1951
Mailing Address10 Gove StEast Boston, MA 02128-1920 · (617) 569-5800 · Fax (617) 568-4756
Fax(617) 425-2061
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 21, 2022
NPPES CertifiedJune 21, 2022
✔ NPI 1194456277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1601 WASHINGTON ST, Boston, MA 02118

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Gilroy Bartlett is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597233239
PECOS Enrollment IDI20260511003002
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 Mary Bartlett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community/Behavioral Health
43 GARRISON RD
Brookline, MA 02445
  • Reassigned Medicare billing, Massachusetts enrollment
  • 60 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.

Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Nurse Practitioner (Psychiatric/Mental Health)
1601 WASHINGTON ST
BOSTON, MA 02118
Nutritionist
1601 WASHINGTON ST
BOSTON, MA 02118
Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Nurse Practitioner (Family)
1601 WASHINGTON ST
BOSTON, MA 02118
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Registered Nurse (Community Health)
1601 WASHINGTON ST
BOSTON, MA 02118

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 Mary Bartlett's NPI number?

The NPI number for Mary Bartlett is 1194456277. It was assigned to this individual provider in the NPPES registry on June 21, 2022.

Where is Mary Bartlett located?

Mary Bartlett practices at 1601 Washington St, Boston, MA 02118. The listed phone number is (617) 425-2000.

What is Mary Bartlett's specialty?

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

Is Mary Bartlett enrolled in Medicare?

Yes. Mary Bartlett is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Bartlett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Bartlett reassigns Medicare benefits to Brookline Community Mental Health Center Inc. (Brookline, 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 Mary Bartlett'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 Mary Bartlett was last updated on June 21, 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.