GRAHAM DYLAN FORD JOHNSON
NPI 1649908641
Psychologist - Clinical in Boston, MA

Q: What is Graham Johnson's NPI number?

The NPI number for Graham Johnson is 1649908641. It was assigned to this individual provider in the NPPES registry on August 9, 2022.

Q: What is Graham Johnson's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Graham Johnson was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since August 09, 2022

398 NEPONSET AVE, BOSTON, MA 02122(617) 282-3200 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 23, 2026, Aug 9, 2022 (2 updates tracked since 2022).

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About Graham Dylan Ford Johnson NPPES

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

GRAHAM DYLAN FORD JOHNSON (NPI 1649908641) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (PSY10002063) and active in the NPI registry since August 2022.

NPPES Registry Identity

NPI1649908641

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameGRAHAM DYLAN FORD JOHNSON

Location Address398 NEPONSET AVEBoston, MA 02122-3134

Mailing Address107 Porter St Apt 2Somerville, MA 02143-1421 · (603) 303-5393

Phone(617) 282-3200

Sole ProprietorNo

Enumeration DateAugust 9, 2022

Last NPPES UpdateApril 23, 20262 updates tracked since enumeration

NPPES CertifiedApril 23, 2026

✔ NPI 1649908641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · PSY10002063

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

398 NEPONSET AVE, Boston, MA 02122

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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.

PATRICIA ARGUS

Registered Nurse (Ambulatory Care)