Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jonathan Mark Tongson, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1194984989

Dr. Jonathan Mark Tongson, MD is a Pathology in Zanesville, Ohio. Qualified in 2007, 19 years ago. Practices with Greater Cincinnati Pathologists Inc, a 20-clinician group and accepts Medicare assignment. Licensed in Indiana and Ohio.

Years since qualifying
19
Licensed in
IN, OH
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

800 Forest Ave
Zanesville, OH 43701-2882
Phone: (740) 454-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 35.099496 (OH)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 11013853A (IN)

Record details

NPI number1194984989
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2008
Last updated in NPPESJune 25, 2012
Mailing address800 Forest Ave, Zanesville, OH 43701-2882

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Greater Cincinnati Pathologists Inc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare