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

DR. JONAH KILDON PSYD
NPI 1578443495
Psychologist in Arlington, MA

Active since September 03, 2025
645R MASSACHUSETTS AVE, ARLINGTON, MA 02476(617) 977-4770 Get Directions Write a Review

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

Record update history: Aug 20, 2026, Aug 7, 2026, Sep 3, 2025 (3 updates tracked since 2025).

About Dr. Jonah Kildon Psyd NPPES

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

DR. JONAH KILDON PSYD (NPI 1578443495) is an individual psychologist in Arlington, Massachusetts, licensed in Massachusetts (PSY10001994) and active in the NPI registry since September 2025. He maintains a secondary practice location in Concord.

NPPES Registry Identity

NPI1578443495
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JONAH KILDONCredential: PSYD
Location Address645R MASSACHUSETTS AVEArlington, MA 02476-5004
Mailing Address226 Massachusetts Ave Ste 2aArlington, MA 02474-8449
Sole ProprietorNo
Enumeration DateSeptember 3, 2025
Last NPPES UpdateAugust 20, 20263 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1578443495 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 · PSY10001994
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.
645R MASSACHUSETTS AVE, Arlington, MA 02476

Secondary Practice Location 1

Location 137 Main St Ste 4Concord, MA 01742-2529 · Phone (617) 977-4788

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 Jonah Kildon's NPI number?

The NPI number for Jonah Kildon is 1578443495. It was assigned to this individual provider in the NPPES registry on September 3, 2025.

Where is Jonah Kildon located?

Jonah Kildon practices at 645R Massachusetts Ave, Arlington, MA 02476. The listed phone number is (617) 977-4770.

What is Jonah Kildon's specialty?

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

When was this NPI record last updated?

The NPPES record for Jonah Kildon was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.