Dr. Casey M. Chern, MD
Dermatology (Dermatology Physician)
- Medicare participating
At a glance
- Medical school
- Indiana Medical College, School of Medicine of Purdue University (2013)
- Years since graduation
- 13
- In the NPI registry since
- 2013
- Medicare patients seen, 2024
- 824
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
- 2013Medical school: Indiana Medical College, School of Medicine of Purdue University
- 2013Registered 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
SC license MD85178 · MD license D83443 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Medical groups
- Clearline Dermatology LLC (6 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
- 824
- Services billed
- 4,081
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | 822 | 178 |
| Established patient office or other outpatient visit, 20-29 minutes | 577 | 349 |
| Established patient office or other outpatient visit, 30-39 minutes | 423 | 236 |
| Destruction of precancer skin growth, 1 growth | 382 | 270 |
| Destruction of skin growth, 1-14 growths | 270 | 203 |
| Biopsy of related skin growth, first growth | 262 | 215 |
| New patient office or other outpatient visit, 30-44 minutes | 224 | 224 |
| New patient office or other outpatient visit, 45-59 minutes | 118 | 118 |
| Biopsy of related skin growth, each additional growth | 57 | 52 |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | 51 | 42 |
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 |
|---|---|
| Triamcinolone Acetonide Other prescribers in Charleston, SC | 154 |
| Clobetasol Propionate Other prescribers in Charleston, SC | 135 |
| Ketoconazole Other prescribers in Charleston, SC | 101 |
| Doxycycline Hyclate Other prescribers in Charleston, SC | 85 |
| Finasteride Other prescribers in Charleston, SC | 79 |
| Fluorouracil Other prescribers in Charleston, SC | 29 |
| Dupixent Pen (dupilumab) Other prescribers in Charleston, SC | 25 |
| Hydrocortisone Other prescribers in Charleston, SC | 24 |
| Metronidazole Other prescribers in Charleston, SC | 22 |
| Cosentyx Unoready Pen (secukinumab) | 16 |
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, 5 companies reported 12 payments worth $483 in total to this clinician.
| Pfizer Inc. | $200 |
|---|---|
| Arcutis Biotherapeutics, Inc. | $106 |
| AbbVie Inc. | $78.83 |
| Galderma Laboratories, L.P. | $74.80 |
| Botanix Sb Inc | $24.11 |
| Food and Beverage | $483 |
|---|
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.