Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAN ALISON SERIFF PSY.D.
NPI 1386632339
Psychologist in Newton, MA

Active since October 12, 2005Opted out of Medicare · through Apr 1, 2027
251 MILL ST, NEWTON, MA 02460(617) 244-6186(617) 630-8010 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jan Alison Seriff Psy.d. NPPES

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

DR. JAN ALISON SERIFF PSY.D. (NPI 1386632339) is an individual psychologist in Newton, Massachusetts, licensed in Massachusetts (3495) and active in the NPI registry since October 2005. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1386632339
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. JAN ALISON SERIFFCredential: PSY.D.
Location Address251 MILL STNewton, MA 02460-2438
Mailing Address251 Mill StNewton, MA 02460-2438 · (617) 244-6186 · Fax (617) 630-8010
Fax(617) 630-8010
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1386632339 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 · 3495
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.
251 MILL ST, Newton, MA 02460

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Jan Alison Seriff Psy.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2019 through April 1, 2027.

Opt-Out Effective DateApril 1, 2019
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Jan Seriff's NPI number?

The NPI number for Jan Seriff is 1386632339. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Jan Seriff located?

Jan Seriff practices at 251 Mill St, Newton, MA 02460. The listed phone number is (617) 244-6186.

What is Jan Seriff's specialty?

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

Is Jan Seriff enrolled in Medicare?

No. Jan Seriff has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Jan Seriff accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Jan Seriff 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 Jan Seriff was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.