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

DR. MARK ALAN JOHNSON PSYCHOLOGIST
NPI 1598759342
Psychologist - Clinical in Brandon, SUFFOLK

Q: What is Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1598759342. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Q: What is Mark 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 Mark Johnson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.

Active since September 08, 2005

RAF LAKENHEATH 48MDOS/SGOH, UNIT 5210 BOX 230, BRANDON, SUFFOLK APO A(163) 852-8649 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Mark Alan Johnson Psychologist NPPES

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

DR. MARK ALAN JOHNSON PSYCHOLOGIST (NPI 1598759342) is an individual clinical provider in Brandon, SUFFOLK, licensed in Minnesota (LP2679) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1598759342

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. MARK ALAN JOHNSONCredential: PSYCHOLOGIST

Location AddressRAF LAKENHEATH 48MDOS/SGOH, UNIT 5210 BOX 230Brandon, SUFFOLK 09461-0230

Mailing AddressPsc 41 Box 677, Apo Ae 09464Brandon, SUFFOLK 09464 · 01366727917 · Fax 144163528649

Phone441638528603

Fax(163) 852-8649

Sole ProprietorNo

Enumeration DateSeptember 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1598759342 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 MN · LP2679

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.

RAF LAKENHEATH 48MDOS/SGOH, Brandon, SUFFOLK 09461

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

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 Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1598759342. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Where is Mark Johnson located?

Mark Johnson practices at Raf Lakenheath 48mdos/Sgoh Unit 5210 Box 230, Brandon, SUFFOLK APO A.

What is Mark Johnson's specialty?

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

What insurance does Mark Johnson accept?

Health plans from Blue Cross and Blue Shield of Texas list Mark Johnson 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 Mark Johnson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.