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

SCOTT GARLON WILLOUGHBY PHD
NPI 1699718635
Psychologist - Clinical in Hattiesburg, MS

Active since June 14, 2006Opted out of Medicare · through Jan 1, 2028
1 LINCOLN PARKWAY, SUITE 202, HATTIESBURG, MS 39402(601) 288-8050 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Scott Garlon Willoughby Phd NPPES

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

SCOTT GARLON WILLOUGHBY PHD (NPI 1699718635) is an individual clinical provider in Hattiesburg, Mississippi, licensed in Mississippi (41003) and active in the NPI registry since June 2006. He has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1699718635
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameSCOTT GARLON WILLOUGHBYCredential: PHD
Location Address1 LINCOLN PARKWAY, SUITE 202Hattiesburg, MS 39402
Mailing Address1 Lincoln Parkway, Suite 202Hattiesburg, MS 39402 · (601) 288-8050
Phone(601) 288-8050
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1699718635 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 MS · 41003
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.
1 LINCOLN PARKWAY, Hattiesburg, MS 39402
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Other Identifiers 1

Medicaid02351545MS

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Scott Garlon Willoughby Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2022 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2022
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 11

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

FUSE TEC MEDICAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
1 LINCOLN PARKWAY, SUITE 100
HATTIESBURG, MS 39402
Lamar County (601) 264-0059
MR. RICHARD WAYNE GEORGE FPMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050
DR. JOE ALLEN HARRIS MD
Psychiatry & Neurology (Psychiatry)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050
MRS. PATRICIA CALABRESE FPMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050
INSTITUTE FOR SPINAL PAIN TREATMENT
Clinic/Center (Pain)
1 LINCOLN PARKWAY, SUITE 106
HATTIESBURG, MS 39402
Lamar County (601) 264-2115
DR. THOMAS LOUIS WELCH MD
Psychiatry & Neurology (Psychiatry)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050
CRAIG HACKETT PATERSON PHD
Psychologist (Clinical)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050
MRS. JANIE JONES KAMP LCSW
Social Worker (Clinical)
1 LINCOLN PARKWAY, SUITE 202
HATTIESBURG, MS 39402
Lamar County (601) 288-8050

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 Scott Willoughby's NPI number?

The NPI number for Scott Willoughby is 1699718635. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Scott Willoughby located?

Scott Willoughby practices at 1 Lincoln Parkway Suite 202, Hattiesburg, MS 39402. The listed phone number is (601) 288-8050.

What is Scott Willoughby's specialty?

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

Is Scott Willoughby enrolled in Medicare?

No. Scott Willoughby has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Scott Willoughby 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 39 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.