MS. MARY SUSAN GRABOWSKI
NPI 1346591302
Psychologist in Forestdale, MA

Active since September 30, 2012PECOS Enrolled
8 SONG BIRD CIR, FORESTDALE, MA 02644(774) 269-0649 Get Directions Write a Review

NPPES record last updated: August 25, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2020, Apr 7, 2020, Aug 26, 2016 (3 updates tracked since 2016).

About Ms. Mary Susan Grabowski NPPES

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

MS. MARY SUSAN GRABOWSKI (NPI 1346591302) is an individual psychologist in Forestdale, Massachusetts, licensed in Massachusetts (10818) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1346591302
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMS. MARY SUSAN GRABOWSKI
Location Address8 SONG BIRD CIRForestdale, MA 02644-1222
Mailing Address8 Song Bird CirForestdale, MA 02644-1222 · (774) 269-0649 · Fax (508) 477-9843
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 30, 2012
Last NPPES UpdateAugust 25, 20203 updates tracked since enumeration
NPPES CertifiedAugust 25, 2020
✔ NPI 1346591302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in MA · 10818
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedCounselorTaxonomy 101Y00000X
8 SONG BIRD CIR, Forestdale, MA 02644

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Mary Susan Grabowski is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385909795
PECOS Enrollment IDI20180605001679
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 Reassignments

2

Medicare enrollment records show Mary Grabowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychologist
8 SONG BIRD CIR
Forestdale, MA 02644
  • Reassigned Medicare billing, Massachusetts enrollment
Mental Health
775 E FALMOUTH HWY, #275
East Falmouth, MA 02536
  • Reassigned Medicare billing, Massachusetts enrollment
  • 21 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
8 SONG BIRD CIR
FORESTDALE, MA 02644

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 Grabowski's NPI number?

The NPI number for Mary Grabowski is 1346591302. It was assigned to this individual provider in the NPPES registry on September 30, 2012.

Where is Mary Grabowski located?

Mary Grabowski practices at 8 Song Bird Cir, Forestdale, MA 02644. The listed phone number is (774) 269-0649.

What is Mary Grabowski's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Mary Grabowski enrolled in Medicare?

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

Which organizations bill Medicare for Mary Grabowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Grabowski reassigns Medicare benefits to 2 organizations: Cape Cod Psychology, LLC (Forestdale, MA) and Limbic Resources Inc (East Falmouth, MA). Each 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 Grabowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Grabowski accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Grabowski 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 Mary Grabowski was last updated on August 25, 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.