Quick answers
- Does Charles A. Frosolone accept Medicare assignment?
- Yes. Medicare's clinician data says Charles A. Frosolone accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Charles A. Frosolone see?
- In 2024, CMS data shows 209 Original Medicare patients and 539 services for Charles A. Frosolone. This counts Original Medicare only and measures volume, not quality.
- What is Charles A. Frosolone's NPI number?
- 1750351276. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Charles A. Frosolone, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 209 |
|---|---|
| Services billed to Medicare | 539 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm (12032)58 services
- Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm (11642)57 services
- Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less (12031)56 services
- Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm (13132)48 services
- Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm (11602)41 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure69%
- High cholesterol63%
- Arthritis33%
- Ischemic heart disease19%
- Diabetes18%
- Atrial fibrillation18%
Practice locations
Addresses where Charles A. Frosolone is enrolled with Medicare (CMS data updated October 2, 2026).
- 275 SE Cabot Dr, Suite A3Oak Harbor, WA 98277 (360) 682‑5024
Group practices
Medicare enrollment lists Charles A. Frosolone as a member of this group (CMS data updated October 2, 2026).
- Family Dermatology Co5 clinicians in the group
Specialties
- Dermatologyprimary
- General Surgeryalso
Other dermatologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Other clinicians in Family Dermatology Co
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750351276 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians