Quick answers
- Where does Diana C. Klassen see patients?
- Medicare's clinician data lists 1 practice location in Arroyo Grande, CA. Call before your visit to confirm the address.
- What is Diana C. Klassen's specialty?
- Medicare lists Marriage and Family Therapist as the primary specialty.
- Does Diana C. Klassen accept Medicare assignment?
- Yes. Medicare's clinician data says Diana C. Klassen 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.
- Does Diana C. Klassen offer telehealth?
- Medicare's clinician data says Diana C. Klassen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Diana C. Klassen?
- (805) 801-2231, as listed in official Medicare / NPI Registry data.
- What is Diana C. Klassen's NPI number?
- 1649390741. 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 Diana C. Klassen is enrolled with Medicare (CMS data updated 2026-10-02).
- 227 S Halcyon Rd, Suite 101Arroyo Grande, CA 93420 (805) 801‑2231
Group practices
Medicare enrollment lists Diana C. Klassen as a member of this group (CMS data updated 2026-10-02).
- Central Coast Psychological Services Corporation7 clinicians in the group
Specialties
Find other clinicians: Marriage and Family Therapist, California →
Other marriage and family therapists in Arroyo Grande
Clinicians with the same Medicare primary specialty in Arroyo Grande, CA — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649390741 |
| 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