Dr. Gregory J. Cannarsa, MD
Neurosurgery (Neurological Surgery Physician)
- Medicare participating
At a glance
- Medical school
- Jefferson Medical College of Thomas Jefferson University (2015)
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 336
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
- 2015Medical school: Jefferson Medical College of Thomas Jefferson University
- 2015Registered with an NPI (national billing number; not a license date)
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
-
Neurological Surgery Physician primary
FL license ME158122
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Naples Community Hospital Naples, FL
- Physicians Regional Medical Center - Pine Ridge Naples, FL
Medical groups
- Premier Therapy and Health Centers Inc (258 clinicians)
- The Moorings Incorporated (126 clinicians)
- Apex Brain and Spine PLLC (2 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 336
- Services billed
- 739
- Patients’ average age
- 79
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 45-59 minutes | 22 | 22 |
| New patient office or other outpatient visit, 60-74 minutes | 20 | 20 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 14 companies reported 14 payments worth $426 in total to this clinician.
| Providence Medical Technology, Inc. | $73.10 |
|---|---|
| Globus Medical, Inc. | $54.80 |
| Si-bone, Inc. | $42.99 |
| Carlsmed, Inc. | $37.77 |
| Fujifilm Healthcare Americas Corporation | $35.80 |
| Boston Scientific Corporation | $27.85 |
| Djo, LLC | $26.22 |
| Medtronic, Inc. | $23.35 |
| Food and Beverage | $426 |
|---|
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.