Jonathan Mark Tongson, M.D.

NPI 1194984989ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Zanesville, OH

Pathology, Anatomic Pathology & Clinical Pathology (M.D.) with Greater Cincinnati Pathologists Inc, practicing in Zanesville, Ohio. Medicare paid $82,181 for services to 952 patients in 2024. Lists Fairfield Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI	1194984989
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 5, 2008
Last updated in NPPES	Jun 25, 2012

Specialties and licenses

Taxonomy	Code	License	State
Pathology, Anatomic Pathology & Clinical Pathology Primary	207ZP0102X	35.099496	OH
Pathology, Anatomic Pathology & Clinical Pathology	207ZP0102X	11013853A	IN

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pathology (IN); Practitioner - Pathology (OH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	952
Services billed	3,064 across 24 procedure codes
Paid by Medicare	$82,181

Medicare sources and data years

Education and affiliations

Graduation year	2007
Medicare specialty	Pathology

Medical group

Greater Cincinnati Pathologists IncTerre Haute, IN · 20 clinicians

Hospital affiliations

Fairfield Medical CenterLancaster, OH
Genesis HospitalZanesville, OH

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records