Jonathan Tongson, M.D.
NPI 1194984989 · Anatomic Pathology & Clinical Pathology Physician · Zanesville, OH
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Tongson, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Zanesville, OH (NPI 1194984989).
Provider details
- NPI number
- 1194984989
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11013853A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,004 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,393 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 533 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 221 | $32 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 166 | $25 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 117 | $10 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 98 | $38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-05
- Last updated
- 2012-06-25
Frequently asked questions
- What is Jonathan Tongson's NPI number?
- Jonathan Tongson's National Provider Identifier (NPI) is 1194984989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Tongson's specialty?
- Jonathan Tongson is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Tongson located?
- Jonathan Tongson's practice location on file with NPPES is 800 Forest Ave, Zanesville, OH 43701-2882.
- What is Jonathan Tongson's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Tongson is (740) 454-5000.
- Does Jonathan Tongson accept Medicare?
- Jonathan Tongson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Tongson's NPI active?
- Yes — Jonathan Tongson's NPI (1194984989) is active in the NPPES registry as of the last update on 2012-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.