Georgios Kotsakis, DDS, PHD
Periodontists (Periodontics)
110 Bergen Street
Newark, NJ 07103
Who else practices at this address →
Essex County includes primary care (34% of residents) and mental health (11% of residents) shortage areas. About shortage areas
At a glance
- In the NPI registry since
- 2015
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2015Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Periodontics primary
NJ license 01644 · WA license DF60582867
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Payments from drug and device companies
In 2025, 3 companies reported 4 payments worth $35,598 in total to this clinician.
| Novabone Products | $34,000 |
|---|---|
| Envista Holdings Corporation | $1,500 |
| Biohorizons Implant Systems Inc. | $97.80 |
| Consulting Fee | $34,000 |
|---|---|
| Speaking at a medical education program | $1,500 |
| Food and Beverage | $97.80 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Novabone Products Dec 3, 2025 | Consulting Fee | $34,000 |
| Envista Holdings Corporation Jun 4, 2025 | Speaking at a medical education program EDUCATION · DENTAL IMPLANT | $1,500 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 2 industry-funded studies in 2025, from 1 companies. The companies reported $49,190 in research payments for these studies, mostly to the institutions running them.
- CR2023-01 Site Rutgers
Straumann USA LLC - Non-abrasive treatment of peri-implantitis using enamel matrix derivative
Straumann USA LLC
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.