Dr. Nicholas B. Castner, MD
Dermatology (Dermatology Physician)
- Medicare participating
At a glance
- Medical school
- University of South Florida College of Medicine (2018)
- Years since graduation
- 8
- In the NPI registry since
- 2018
- Medicare patients seen, 2024
- 658
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
- 2018Medical school: University of South Florida College of Medicine
- 2018Registered 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
-
Dermatology Physician primary
FL license ME162846 -
MOHS-Micrographic Surgery Physician
FL license ME162846
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Medical groups
- Suncoast Skin Solutions (106 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
- 658
- Services billed
- 2,200
- Patients’ average age
- 78
| Service | Times | Patients |
|---|---|---|
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 177 | 158 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 104 | 82 |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | 56 | 54 |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | 43 | 39 |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | 40 | 38 |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | 39 | 37 |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | 29 | 28 |
| Established patient office or other outpatient visit, 20-29 minutes | 28 | 28 |
| Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm | 24 | 23 |
| Complicated repair of wound of trunk, 2.6-7.5 cm | 23 | 23 |
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.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Doxycycline Hyclate Other prescribers in Largo, FL | 49 |
| Cephalexin Other prescribers in Largo, FL | 46 |
| Fluorouracil Other prescribers in Largo, FL | 14 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 7 companies reported 15 payments worth $397 in total to this clinician.
| AbbVie Inc. | $125 |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $78.07 |
| Journey Medical Corporation | $75.92 |
| Kerecis Limited | $50.07 |
| Convatec Inc. | $31.39 |
| Surgenex LLC | $19.63 |
| Novartis Pharmaceuticals Corporation | $16.77 |
| Food and Beverage | $397 |
|---|
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.