John M Showalter
Clinical Psychologist · PhD · Psychologist in Columbus, OH
Provider details
- Specialty
- Clinical Psychologist
- Credentials
- PhD
- NPI number
- 1720077027
Checked against the CMS National Provider Identifier registry on October 2, 2026.
About
John M Showalter, PhD, is a clinical psychologist in Columbus, Ohio, registered with the federal National Provider Identifier (NPI) registry. Contact the provider directly to confirm services, hours and accepted insurance.
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