Psychologist | Clinical Psychology

John M Showalter, PHD

1971 W 5th Ave, Suite 2, Columbus, Ohio, 43212-1905

About John M Showalter

John M Showalter is a psychologist based in Columbus, Ohio who is specialized in Clinical Psychology. Active license number of John M Showalter is 897 for Clinical Psychology in Ohio. His current practice location is 1971 W 5th Ave, Suite 2, Columbus. Patients can contact him at 614-748-8628 or can fax him at 614-488-9592. John M Showalter, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1720077027.

John M Showalter 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

John M Showalter'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 John M Showalter
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 1971 W 5th Ave, Suite 2
Columbus, OH - 43212-1905
Fax 614-488-9592

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 Number1720077027
NPI Enumeration Date: 19 Oct, 2005
NPI Last Update On: 27 Mar, 2017

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 John M Showalter are as mentioned below.

License NumberSpecializationStateStatus
897Clinical Psychology OhioPrimary

Other Medical Identifiers

Other professional identifiers associated with John M Showalter such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0250900MedicaidOhio

Mailing Address

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

John M Showalter
1971 W 5th Ave, Suite 2
Columbus, OH - 43212-1905
Phone: 614-488-6285
Fax: 614-488-9592

Book an Appointment with John M Showalter

To schedule an appointment, contact John M Showalter at 1971 W 5th Ave, Suite 2, Columbus, Ohio or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John M Showalter:

John M Showalter 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, John M Showalter 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.

John M Showalter practices at 1971 W 5th Ave, Suite 2, Columbus, Ohio, 43212-1905.

To schedule an appointment with John M Showalter, please contact the office at 614-748-8628.

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