Quick answers
- Where does Cole B. Willoughby see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is Cole B. Willoughby's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Cole B. Willoughby accept Medicare assignment?
- Yes. Medicare's clinician data says Cole B. Willoughby accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Cole B. Willoughby?
- (619) 298-9535, as listed in official Medicare / NPI Registry data.
- What is Cole B. Willoughby's NPI number?
- 1659375301. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Cole B. Willoughby is enrolled with Medicare (CMS data updated 2026-10-02).
- 4060 4th Ave, Suite 209San Diego, CA 92103 (619) 298‑9535
Group practices
Medicare enrollment lists Cole B. Willoughby as a member of this group (CMS data updated 2026-10-02).
- Dermatology and Laser Center of San Diego9 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1968 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659375301 |
| 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 2026-10-02, retrieved 2026-10-29
- 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