Psychologist | Clinical Psychology

Dr. Harold David Quillian, PSY. D.

1175 Canton St, Suite Two, Roswell, Georgia, 30075-3616

About Dr. Harold David Quillian

Dr. Harold David Quillian is a psychologist based in Roswell, Georgia who is specialized in Clinical Psychology. Active license number of Dr. Harold David Quillian is PSY002304 for Clinical Psychology in Georgia. His current practice location is 1175 Canton St, Suite Two, Roswell. Patients can contact him at 770-594-0700. Dr. Harold David Quillian, PSY. D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1659589349.

Dr. Harold David Quillian 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.

Practice Information

Dr. Harold David Quillian's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Harold David Quillian
Specialization Clinical Psychology
Credentials PSY. D.
Gender Male
Practice Address: 1175 Canton St, Suite Two
Roswell, GA - 30075-3616

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1659589349
NPI Enumeration Date: 18 May, 2007
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Harold David Quillian are as mentioned below.

License NumberSpecializationStateStatus
PSY002304Clinical Psychology GeorgiaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Harold David Quillian such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00829705AMedicaidGeorgia

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Harold David Quillian
400 La View Ct,
Roswell, GA - 30075-4670
Phone: 770-993-9042

Book an Appointment with Dr. Harold David Quillian

To schedule an appointment, contact Dr. Harold David Quillian at 1175 Canton St, Suite Two, Roswell, Georgia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Harold David Quillian:

Dr. Harold David Quillian is a psychologist specializing in Clinical Psychology. He 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.

Yes, Dr. Harold David Quillian is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Harold David Quillian practices at 1175 Canton St, Suite Two, Roswell, Georgia, 30075-3616.

To schedule an appointment with Dr. Harold David Quillian, please contact the office at 770-594-0700.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.