Physician Profile
Unclaimed ProfileAbout TJIONAS
George A. Tjionas, MD practices pathology in Worcester, MA. Medicare claims data shows George provided 1,071 services to 650 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 793-6100
- Email not available
Practice Locations
55 LAKE AVE N
Worcester, MA 01655
Procedures Most Often Billed to Medicare
1,071 services · 650 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
191 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
179 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
105 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
90 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
77 |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
68 |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
62 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
61 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
60 |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
52 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pathology specialists in Worcester 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Tjionas specialize in?
Dr. Tjionas is a pathology in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
Where is Dr. Tjionas located?
Dr. Tjionas is listed at 55 LAKE AVE N, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tjionas's phone number?
The number on file is (508) 793-6100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tjionas?
Dr. Tjionas's National Provider Identifier is 1982946307. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Tjionas go to medical school?
Dr. Tjionas attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tjionas have?
Dr. Tjionas has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tjionas do most often?
According to Medicare billing data, Dr. Tjionas the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tjionas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tjionas. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.