NANCY ROSE SULLIVAN PH.D.
NPI 1083721237
Psychologist in Boston, MA

Active since August 24, 2006PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-4217 Get Directions Write a Review

NPPES record last updated: September 12, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nancy Rose Sullivan Ph.d. NPPES

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

NANCY ROSE SULLIVAN PH.D. (NPI 1083721237) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (8219) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083721237
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameNANCY ROSE SULLIVANCredential: PH.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 697-5798
Sole ProprietorYes
Enumeration DateAugust 24, 2006
Last NPPES UpdateSeptember 12, 2022
NPPES CertifiedSeptember 12, 2022
✔ NPI 1083721237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in MA · 8219
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.
300 LONGWOOD AVE, Boston, MA 02115

Other Names 1

Other Name (5)Nancy Rose Sullivan De Mendoza Nancy Sullivan De Me

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)

Nancy Rose Sullivan Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Nancy Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Nancy Sullivan's NPI number?

The NPI number for Nancy Sullivan is 1083721237. It was assigned to this individual provider in the NPPES registry on August 24, 2006. The provider is also known as Nancy Rose Sullivan De Mendoza Nancy Sullivan De Me.

Where is Nancy Sullivan located?

Nancy Sullivan practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-4217.

What is Nancy Sullivan's specialty?

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

Is Nancy Sullivan enrolled in Medicare?

Yes. Nancy Sullivan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nancy Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Sullivan reassigns Medicare benefits to Children's Hospital Pediatric Associates, Inc (Boston, 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 Nancy Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Sullivan accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Nancy Sullivan 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 Nancy Sullivan was last updated on September 12, 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.