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

Active since August 09, 2022PECOS Enrolled
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: September 20, 2026.

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

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. He is enrolled in Medicare PECOS.

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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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Graham Dylan Ford Johnson is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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)
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
LINDSAY GUITTARR RN
Registered Nurse
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
DR. NGA PHAM PHARM.D.
Pharmacist
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
LINDA CAMERON
Licensed Practical Nurse
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
MRS. CHRYLANN BARRETT MPH, BSN, RN
Registered Nurse (Community Health)
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
JOCELYN LOFTUS NP
Nurse Practitioner
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
ALLISON FOLEY NP
Nurse Practitioner (Women's Health)
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200
JULIA TAKAHASHI MCMANUS MD
Specialist
398 NEPONSET AVE
DORCHESTER, MA 02122
Suffolk County (617) 282-3200

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 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.

Where is Graham Johnson located?

Graham Johnson practices at 398 Neponset Ave, Boston, MA 02122. The listed phone number is (617) 282-3200.

What is Graham Johnson's specialty?

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

Is Graham Johnson enrolled in Medicare?

Yes. Graham Johnson is registered in the Medicare PECOS enrollment system.

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 5 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.