DR. ELLEN MARIE PRAIRIE PHD
NPI 1588697353
Psychologist in Boston, MA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 724-6300(617) 726-7541 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ellen Marie Prairie Phd NPPES

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

DR. ELLEN MARIE PRAIRIE PHD (NPI 1588697353) is an individual psychologist in Boston, Massachusetts and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1588697353
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ELLEN MARIE PRAIRIECredential: PHD
Location Address55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 726-7541
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 7, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1588697353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
55 FRUIT STREET WAC 812, Boston, MA 02114

Accepted Insurance

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

Dr. Ellen Marie Prairie Phd 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 ID4183642218
PECOS Enrollment IDI20051108000306
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 Ellen Prairie reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 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 6

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

Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET WAC 812
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Psychologist
55 FRUIT STREET WAC 812
BOSTON, MA 02114
Psychologist
55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET WAC 812, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114

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 Ellen Prairie's NPI number?

The NPI number for Ellen Prairie is 1588697353. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Ellen Prairie located?

Ellen Prairie practices at 55 Fruit Street Wac 812 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 724-6300.

What is Ellen Prairie's specialty?

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

Is Ellen Prairie enrolled in Medicare?

Yes. Ellen Prairie 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 organizations bill Medicare for Ellen Prairie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Prairie reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, 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 Ellen Prairie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ellen Prairie accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Ellen Prairie 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 Ellen Prairie was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.