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DR. THOMAS RALPH MCLAREN PH.D,, ABPN
NPI 1639233356
Psychologist - Clinical in Chattanooga, TN

Active since December 20, 2006
4066 HIXSON PIKE, CHATTANOOGA, TN 37415(423) 870-5650 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas Ralph Mclaren Ph.d,, Abpn NPPES

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

DR. THOMAS RALPH MCLAREN PH.D,, ABPN (NPI 1639233356) is an individual clinical provider in Chattanooga, Tennessee, licensed in Tennessee (P0000001864) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1639233356
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. THOMAS RALPH MCLARENCredential: PH.D,, ABPN
Location Address4066 HIXSON PIKEChattanooga, TN 37415-3110
Mailing Address281 Horse Creek DrChattanooga, TN 37405-1235 · (423) 294-1463 · Fax (423) 763-6028
Phone(423) 870-5650
Sole ProprietorYes
Enumeration DateDecember 20, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1639233356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in TN · P0000001864
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.
Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License P0000001864 (TN)
4066 HIXSON PIKE, Chattanooga, TN 37415
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Other Providers at the Same Location NPPES 6

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

SUSAN A O'HARA PH.D.
Psychologist
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 870-5650
BRENDA M NIEL LPC
Counselor (Professional)
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 870-5650
PAULA J DOVE LCSW
Social Worker (Clinical)
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 870-5650
JOHN W OLDHAM LCSW
Social Worker (Clinical)
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 870-5650
BRENDA G WHITE LPC
Counselor (Professional)
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 870-5650
BEYOUTIFUL SKIN AND LASER CENTER
Nurse Practitioner (Family)
4066 HIXSON PIKE
CHATTANOOGA, TN 37415
Hamilton County (423) 877-3568

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 Thomas Mclaren's NPI number?

The NPI number for Thomas Mclaren is 1639233356. It was assigned to this individual provider in the NPPES registry on December 20, 2006.

Where is Thomas Mclaren located?

Thomas Mclaren practices at 4066 Hixson Pike, Chattanooga, TN 37415. The listed phone number is (423) 870-5650.

What is Thomas Mclaren'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 Thomas Mclaren was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.