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

DR. JOAN MINOT DEPPE PSY.D.
NPI 1366505794
Psychologist in Arlington, MA

Active since December 18, 2006Opted out of Medicare · through Jan 1, 2028
22 MILL ST, SUITE 105, ARLINGTON, MA 02476(781) 641-2239 Get Directions Write a Review

NPPES record last updated: September 20, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Joan Minot Deppe Psy.d. NPPES

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

DR. JOAN MINOT DEPPE PSY.D. (NPI 1366505794) is an individual psychologist in Arlington, Massachusetts, licensed in Massachusetts (6321) and active in the NPI registry since December 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1366505794
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOAN MINOT DEPPECredential: PSY.D.
Location Address22 MILL ST, SUITE 105Arlington, MA 02476-4784
Mailing Address22 Mill St Ste 105Arlington, MA 02476-4738 · (781) 641-2239
Sole ProprietorYes
Enumeration DateDecember 18, 2006
Last NPPES UpdateSeptember 20, 2026
✔ NPI 1366505794 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 · 6321
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.
22 MILL ST, Arlington, MA 02476

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. Joan Minot Deppe 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 January 1, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018
Opt-Out In Effect ThroughJanuary 1, 2028Opt-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.

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.

Counselor (Mental Health)
22 MILL ST, SUITE 306
ARLINGTON, MA 02476
Specialist
22 MILL ST, SUITE 302
ARLINGTON, MA 02476
Nurse Practitioner (Primary Care)
22 MILL ST
ARLINGTON, MA 02476
Psychologist (Clinical)
22 MILL ST, SUITE 004
ARLINGTON, MA 02476
Obstetrics & Gynecology (Obstetrics)
22 MILL ST, STE 204
ARLINGTON, MA 02476
Surgery
22 MILL ST, # 301
ARLINGTON, MA 02476
Social Worker (Clinical)
22 MILL ST, STE 306
ARLINGTON, MA 02476
Psychiatry & Neurology (Psychiatry)
22 MILL ST, SUITE 004
ARLINGTON, MA 02476

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 Joan Deppe's NPI number?

The NPI number for Joan Deppe is 1366505794. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Where is Joan Deppe located?

Joan Deppe practices at 22 Mill St Suite 105, Arlington, MA 02476. The listed phone number is (781) 641-2239.

What is Joan Deppe's specialty?

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

Is Joan Deppe enrolled in Medicare?

No. Joan Deppe has opted out of Medicare through January 1, 2028. 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 Joan Deppe accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Joan Deppe 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 Joan Deppe was last updated on September 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.