Psychologist | General Psychology | 47+ years experience

Dr. Gregory L. Duncan, PH.D.

905 Johns Hopkins Drive, Greenville, North Carolina, 27834-7225

About Dr. Gregory L. Duncan

Dr. Gregory L. Duncan is a psychologist based in Greenville, North Carolina with 47 years of experience in General Psychology. He completed his graduation in 1979. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gregory L. Duncan is 798 for Psychology in North Carolina. His current practice location is 905 Johns Hopkins Drive, Greenville. Patients can contact him at 252-744-1406 or can fax him at 252-744-2419. Dr. Gregory L. Duncan, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1750382388.

Dr. Gregory L. Duncan is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Gregory L. Duncan'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. Gregory L. Duncan
Specialization General Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 47+ years
Graduation Year 1979
Gender Male
Practice Address: 905 Johns Hopkins Drive,
Greenville, NC - 27834-7225
Fax 252-744-2419

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.

PAC ID 6406860402
Enrollment ID I20060130000314
NPI Number1750382388
NPI Enumeration Date: 04 Aug, 2005
NPI Last Update On: 28 Feb, 2012

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. Gregory L. Duncan are as mentioned below.

License NumberSpecializationStateStatus
798Psychology North CarolinaPrimary
798General Psychology North CarolinaSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Gregory L. Duncan is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
East Carolina University (0244143246)361

Other Medical Identifiers

Other professional identifiers associated with Dr. Gregory L. Duncan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
620004585OtherNorth CarolinaRAILROAD MEDICARE
6000643MedicaidNorth Carolina
0333NOtherNorth CarolinaBCBS NC

Mailing Address

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

Dr. Gregory L. Duncan
905 Johns Hopkins Drive,
Greenville, NC - 27834-7225
Phone: 252-714-0155
Fax: 252-758-1866

Book an Appointment with Dr. Gregory L. Duncan

To schedule an appointment, contact Dr. Gregory L. Duncan at 905 Johns Hopkins Drive, Greenville, North Carolina or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory L. Duncan:

Dr. Gregory L. Duncan is a psychologist specializing in Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Dr. Gregory L. Duncan has approximately 47 years of experience in Psychology.

Yes, Dr. Gregory L. Duncan accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Gregory L. Duncan 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. Gregory L. Duncan practices at 905 Johns Hopkins Drive, Greenville, North Carolina, 27834-7225.

To schedule an appointment with Dr. Gregory L. Duncan, please contact the office at 252-744-1406.

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