Psychiatrist

Dr. Gregory Lenard De Roo, MD, MBA

403 N State Of Franklin Rd, Johnson City, Tennessee, 37604-6034

About Dr. Gregory Lenard De Roo

Dr. Gregory Lenard De Roo is a psychiatrist based in Johnson City, Tennessee who is specialized in Psychiatry. Active license number of Dr. Gregory Lenard De Roo is 77588 for Psychiatry in Tennessee. His current practice location is 403 N State Of Franklin Rd, Johnson City. Patients can contact him at 423-431-7111 or can fax him at 423-431-7092. Dr. Gregory Lenard De Roo, MD, MBA, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1316681026.

Dr. Gregory Lenard De Roo specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Gregory Lenard De Roo'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 Lenard De Roo
Specialization Psychiatry
Credentials MD, MBA
Gender Male
Practice Address: 403 N State Of Franklin Rd,
Johnson City, TN - 37604-6034
Fax 423-431-7092

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 Number1316681026
NPI Enumeration Date: 27 Apr, 2022
NPI Last Update On: 09 Jul, 2026

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 Lenard De Roo are as mentioned below.

License NumberSpecializationStateStatus
77588Psychiatry TennesseePrimary

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 Lenard De Roo
1021 W Oakland Ave Ste 310,
Johnson City, TN - 37604-2192
Phone: 423-952-2111

Book an Appointment with Dr. Gregory Lenard De Roo

To schedule an appointment, contact Dr. Gregory Lenard De Roo at 403 N State Of Franklin Rd, Johnson City, Tennessee or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory Lenard De Roo:

Dr. Gregory Lenard De Roo is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Dr. Gregory Lenard De Roo 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 Lenard De Roo practices at 403 N State Of Franklin Rd, Johnson City, Tennessee, 37604-6034.

To schedule an appointment with Dr. Gregory Lenard De Roo, please contact the office at 423-431-7111.

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