DR. DOUGLAS DEMERCHANT PSY.D.
NPI 1831564228
Psychologist - Clinical in Wheaton, IL

Q: What is Douglas Demerchant's NPI number?

The NPI number for Douglas Demerchant is 1831564228. It was assigned to this individual provider in the NPPES registry on December 10, 2015.

Q: What is Douglas Demerchant's specialty?

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

Active since December 10, 2015

620 W ROOSEVELT RD STE D1, WHEATON, IL 60187(630) 462-1999(630) 462-0069 Get Directions Write a Review

NPPES record last updated: December 10, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Douglas Demerchant Psy.d. NPPES

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

DR. DOUGLAS DEMERCHANT PSY.D. (NPI 1831564228) is an individual clinical provider in Wheaton, Illinois, licensed in Illinois (071003669) and active in the NPI registry since December 2015.

NPPES Registry Identity

NPI1831564228

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. DOUGLAS DEMERCHANTCredential: PSY.D.

Location Address620 W ROOSEVELT RD STE D1Wheaton, IL 60187-2306

Mailing Address620 W Roosevelt Rd Ste D1Wheaton, IL 60187-2306 · (630) 462-1999 · Fax (630) 462-0069

Phone(630) 462-1999

Fax(630) 462-0069

Sole ProprietorYes

Enumeration DateDecember 10, 2015

✔ NPI 1831564228 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 IL · 071003669

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.

620 W ROOSEVELT RD STE D1, Wheaton, IL 60187

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Other Providers at the Same Location NPPES 5

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

HYDER COUNSELING AND CONSULTING

Counselor (Mental Health)