Psychiatrist

Mark Clyne Long, D.O.

17273 State Route 104, Chillicothe, Ohio, 45601-9718

About Mark Clyne Long

Mark Clyne Long is a psychiatrist based in Chillicothe, Ohio who is specialized in Psychiatry. Active license number of Mark Clyne Long is 34.013837 for Psychiatry in Ohio. His current practice location is 17273 State Route 104, Chillicothe. Patients can contact him at 740-773-1141. Mark Clyne Long, D.O., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1821475864.

Mark Clyne Long 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

Mark Clyne Long'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 Mark Clyne Long
Specialization Psychiatry
Credentials D.O.
Gender Male
Practice Address: 17273 State Route 104,
Chillicothe, OH - 45601-9718

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 Number1821475864
NPI Enumeration Date: 29 Apr, 2015
NPI Last Update On: 17 Nov, 2023

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 Mark Clyne Long are as mentioned below.

License NumberSpecializationStateStatus
34.013837Psychiatry OhioPrimary

Mailing Address

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

Mark Clyne Long
17273 State Route 104,
Chillicothe, OH - 45601-9718
Phone: 740-773-1141

Book an Appointment with Mark Clyne Long

To schedule an appointment, contact Mark Clyne Long at 17273 State Route 104, Chillicothe, Ohio or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark Clyne Long:

Mark Clyne Long 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, Mark Clyne Long 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.

Mark Clyne Long practices at 17273 State Route 104, Chillicothe, Ohio, 45601-9718.

To schedule an appointment with Mark Clyne Long, please contact the office at 740-773-1141.

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