DR. MARK AARON GAPEN PH.D.
NPI 1467786616
Psychologist in Brookline, MA

Active since September 21, 2009PECOS EnrolledAccepts Medicare Assignment
1269 BEACON ST, BROOKLINE, MA 02446(617) 232-1303 Get Directions Write a Review

NPPES record last updated: September 21, 2009. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Mark Aaron Gapen Ph.d. NPPES

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

DR. MARK AARON GAPEN PH.D. (NPI 1467786616) is an individual psychologist in Brookline, Massachusetts and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2009).

NPPES Registry Identity

NPI1467786616
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARK AARON GAPENCredential: PH.D.
Location Address1269 BEACON STBrookline, MA 02446-5248
Mailing Address40 Long AveBoston, MA 02134-2554 · (617) 202-5150
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2009
Enumeration DateSeptember 21, 2009
NPI 1467786616 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.
1269 BEACON ST, Brookline, MA 02446

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. Mark Aaron Gapen 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 ID7719146943
PECOS Enrollment IDI20160222002313
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.

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.

Orthopaedic Surgery
1269 BEACON ST
BROOKLINE, MA 02446
Social Worker (Clinical)
1269 BEACON ST
BROOKLINE, MA 02446
Specialist
1269 BEACON ST, 2ND FLOOR
BROOKLINE, MA 02446
Psychologist (Counseling)
1269 BEACON ST
BROOKLINE, MA 02446
Occupational Therapist
1269 BEACON ST, 2ND FLOOR
BROOKLINE, MA 02446
Counselor (Mental Health)
1269 BEACON ST
BROOKLINE, MA 02446
Social Worker (Clinical)
1269 BEACON ST
BROOKLINE, MA 02446
Psychologist
1269 BEACON ST, THE TRAUMA CENTER AT JRI
BROOKLINE, MA 02446

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 Mark Gapen's NPI number?

The NPI number for Mark Gapen is 1467786616. It was assigned to this individual provider in the NPPES registry on September 21, 2009.

Where is Mark Gapen located?

Mark Gapen practices at 1269 Beacon St, Brookline, MA 02446. The listed phone number is (617) 232-1303.

What is Mark Gapen's specialty?

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

Is Mark Gapen enrolled in Medicare?

Yes. Mark Gapen 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 Mark Gapen accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Mark Gapen 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 Mark Gapen was last updated on September 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.