Dr. Harold David Quillian is a Roswell, Georgia based psychologist 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 reach him at 770-594-0700. Dr. Harold David Quillian is PSY. D. 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.
Complete Profile:
Dr. Harold David Quillian 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. Harold David Quillian |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PSY. D. |
| Practice Address: | 1175 Canton St, Suite Two, Roswell, Georgia, 30075-3616 |
| Phone: | 770-594-0700 |
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: | 1659589349 |
| NPI Enumeration Date: | 18 May, 2007 |
| NPI Last Update On: | 08 Jul, 2007 |
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. Harold David Quillian are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY002304 | Clinical Psychology | Georgia | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Harold David Quillian such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00829705A | Medicaid | Georgia | |
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. Harold David Quillian 400 La View Ct, Roswell, Georgia |
| Zip: | 30075-4670 |
| Phone Number: | 770-993-9042 |
Patients can reach Dr. Harold David Quillian at
1175 Canton St, Suite Two, Roswell, Georgia or can
call to book an appointment on 770-594-0700.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.