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DR. WILLIAM JOHNSTON PSYD
NPI 1588457626
Psychologist - Clinical in Front Royal, VA

Active since May 22, 2025
316 WARREN AVE, FRONT ROYAL, VA 22630(202) 670-2407 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jun 27, 2025, May 22, 2025 (2 updates tracked since 2025).

About Dr. William Johnston Psyd NPPES

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

DR. WILLIAM JOHNSTON PSYD (NPI 1588457626) is an individual clinical provider in Front Royal, Virginia, licensed in Virginia (0805002661) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1588457626
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. WILLIAM JOHNSTONCredential: PSYD
Location Address316 WARREN AVEFront Royal, VA 22630-4483
Mailing AddressNorthwest Registered Agent Llc, 8401 Mayland Drive Ste ARichmond, VA 23294-4483 · (202) 670-2407
Phone(202) 670-2407
Sole ProprietorNo
Enumeration DateMay 22, 2025
Last NPPES UpdateJune 27, 20252 updates tracked since enumeration
NPPES CertifiedJune 2, 2025
✔ NPI 1588457626 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 VA · 0805002661
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.
316 WARREN AVE, Front Royal, VA 22630
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL DAVIS PSYD LLC
Psychologist (Clinical)
316 WARREN AVE
FRONT ROYAL, VA 22630
Warren County (571) 358-9245
NATURAL RESULTS CHIROPRACTIC CLINIC
Chiropractor
316 WARREN AVE, SUITE 1
FRONT ROYAL, VA 22630
Warren County (540) 622-6400
RACHAEL S MCCRUM DC
Chiropractor
316 WARREN AVE, SUITE 1
FRONT ROYAL, VA 22630
Warren County (540) 622-6400
MICHAEL DAVIS PSYD
Psychologist (Clinical)
316 WARREN AVE
FRONT ROYAL, VA 22630
Warren County (571) 358-9245

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 William Johnston's NPI number?

The NPI number for William Johnston is 1588457626. It was assigned to this individual provider in the NPPES registry on May 22, 2025.

Where is William Johnston located?

William Johnston practices at 316 Warren Ave, Front Royal, VA 22630. The listed phone number is (202) 670-2407.

What is William Johnston's specialty?

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

When was this NPI record last updated?

The NPPES record for William Johnston was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.