Dr. Douglas Demerchant
PSY.D. | Clinical Psychologist
620 W Roosevelt Rd Ste D1, Wheaton
Illinois, 60187-2306
630-462-1999 630-462-0069
Maps & DirectionsDr. Douglas Demerchant is a Wheaton, Illinois based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Douglas Demerchant is 071003669 for Clinical Psychology in Illinois. His current practice location is 620 W Roosevelt Rd Ste D1, Wheaton. Patients can reach him at 630-462-1999 or can fax him at 630-462-0069. Dr. Douglas Demerchant is PSY.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1831564228.
Dr. Douglas Demerchant is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. Douglas Demerchant speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Douglas Demerchant |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PSY.D. |
| Practice Address: | 620 W Roosevelt Rd Ste D1, Wheaton,
Illinois, 60187-2306 |
| Phone: | 630-462-1999 |
| Fax: | 630-462-0069 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1831564228 |
| NPI Enumeration Date: | 10 Dec, 2015 |
| NPI Last Update On: | 10 Dec, 2015 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Douglas Demerchant are as mentioned below.
| License Number | Specialization | State | Status | |
| 071003669 | Clinical Psychology | Illinois | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Douglas Demerchant
620 W Roosevelt Rd Ste D1,
Wheaton, Illinois |
| Zip: | 60187-2306 |
| Phone Number: | 630-462-1999 |
| Fax Number: | 630-462-0069 |
Patients can reach Dr. Douglas Demerchant at
620 W Roosevelt Rd Ste D1, Wheaton, Illinois or can
call to book an appointment on 630-462-1999.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.