George Tjionas, MD
NPI 1982946307 · Clinical Pathology Physician · Worcester, MA
Provider details
- NPI number
- 1982946307
- Entity type
- Individual
- Primary specialty
- Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 273014 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,071 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 | 191 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 179 | $27 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 105 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 90 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 77 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 68 | $11 |
Practice location
Mailing address
Additional practice locations (3)
- 1611 Nw 12th AveMiami, FL 33136-1005Phone: (305) 585-1111
- 1 Innovation DriveBiotech 3 - PathologyWorcester, MA 01605Phone: (508) 334-1000
- 1 Innovation DriveBiotech 3 - PathologyWorcester, MA 01605Phone: (508) 334-1000
Registry dates
- Enumerated
- 2013-03-24
- Last updated
- 2021-03-26
- Certified
- 2021-03-26
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.