Quick answers
- Where does Patrick R. Dahl see patients?
- Medicare's clinician data lists 1 practice location in Fullerton, CA. Call before your visit to confirm the address.
- What is Patrick R. Dahl's specialty?
- Medicare lists Dermatology as the primary specialty, and also Pathology.
- Does Patrick R. Dahl accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick R. Dahl 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 Patrick R. Dahl?
- (714) 525-3500, as listed in official Medicare / NPI Registry data.
- What is Patrick R. Dahl's NPI number?
- 1033213392. 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 Patrick R. Dahl is enrolled with Medicare (CMS data updated 2026-10-02).
- 301 W Bastanchury Rd, Suite 245Fullerton, CA 92835 (714) 525‑3500
Group practices
Medicare enrollment lists Patrick R. Dahl as a member of these groups (CMS data updated 2026-10-02).
- Csi Medical Group111 clinicians in the group
- Accredited Dermatology Medical Clinic Inc2 clinicians in the group
Specialties
- Dermatologyprimary
- Pathologyalso
Other dermatologists in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033213392 |
| 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