Doctor profile · Federal record
Dr. George Tjionas, MD
Clinical Pathology Physician (CMS: Pathology) · Worcester, MA
- NPI 1982946307
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(508) 793-6100
fax (508) 793-6110 - Additional location
-
1 Innovation Drive, Biotech 3 - Pathology
Worcester, MA 01605
(508) 334-1000 - Additional location
-
1611 Nw 12Th Ave
Miami, FL 331361005
(305) 585-1111 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- March 2013 — 13 yrs on file
- Profile last updated
- March 26, 2021
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207ZC0006X — NUCC code
- State license (1)
- Massachusetts #273014
- Medicaid
- MA #110130297A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982946307. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,346
Distinct HCPCS
10
Medicare allowed
$52,463
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 353 | 63 | $29 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 255 | 165 | $38 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 113 | 94 | $35 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 86 | 79 | $11 | |
88360 |
Microscopic genetic analysis of tumor, manual | 71 | 37 | $42 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 66 | 22 | $29 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 63 | 53 | $38 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 62 | 40 | $83 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 56 | 34 | $35 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 51 | 48 | $12 |
In context: peer comparison
Among 1 peers in Worcester Clinical Pathology Physician, average services per provider: 89. This provider delivers 15× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. George Tjionas's medical specialty?
Dr. George Tjionas practices Clinical Pathology Physician in Worcester, MA.
Where does Dr. George Tjionas practice?
Dr. George Tjionas practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5087936100.
What is Dr. George Tjionas's NPI?
Dr. George Tjionas's National Provider Identifier (NPI) is 1982946307, issued by NPPES.
Does Dr. George Tjionas accept Medicare assignment?
Yes. Dr. George Tjionas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Tjionas commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.