DR. MARGARET O'CONNOR PH.D.
NPI 1730122201
Psychologist in Boston, MA

Active since June 13, 2006PECOS EnrolledAccepts Medicare Assignment
330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-8968 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Margaret O'connor Ph.d. NPPES

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

DR. MARGARET O'CONNOR PH.D. (NPI 1730122201) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (4618) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Warren Alpert Medical School Of Brown University (1987).

NPPES Registry Identity

NPI1730122201
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARGARET O'CONNORCredential: PH.D.
Location Address330 BROOKLINE AVEBoston, MA 02215-5400
Mailing Address18 Knowles StNewton, MA 02459-2206 · (617) 964-2732 · Fax (617) 667-7981
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1987
Enumeration DateJune 13, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1730122201 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 · 4618
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 ListedClinical NeuropsychologistTaxonomy 103G00000X · License 4618 (MA)

Other Identifiers 1

Medicaid0518506MA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Margaret O'connor Ph.d. 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 ID6608962113
PECOS Enrollment IDI20071015000284
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Group psychotherapy 90853
Group psychotherapy involves individuals discussing their issues in a group setting, led by a professional therapist. It provides a supportive environment where members can learn from each other's experiences, gain different perspectives, and develop new ways to handle challenges.
620 services92 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
527 services133 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
133 services133 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
132 services132 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
124 services124 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
37 services37 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

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.

Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215
Emergency Medicine
330 BROOKLINE AVE
BOSTON, MA 02215

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 Margaret O'connor's NPI number?

The NPI number for Margaret O'connor is 1730122201. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Margaret O'connor located?

Margaret O'connor practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-8968.

What is Margaret O'connor's specialty?

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

Is Margaret O'connor enrolled in Medicare?

Yes. Margaret O'connor 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.

What insurance does Margaret O'connor accept?

Health plans from Harvard Pilgrim Health Care list Margaret O'connor 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.

Is Margaret O'connor affiliated with any hospitals?

According to CMS data, Margaret O'connor is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Margaret O'connor was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.