Quick answers
- Which hospitals does Matthew Kappen work at?
- Medicare's official clinician data lists Matthew Kappen at 2 hospitals: Curry General Hospital and Modoc Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Kappen see patients?
- Medicare's clinician data lists 4 practice locations, including Alturas, CA, Oxnard, CA and Ventura, CA. Call before your visit to confirm the address.
- What is Matthew Kappen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Matthew Kappen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Kappen 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 Matthew Kappen?
- (530) 708-8800, as listed in official Medicare / NPI Registry data.
- What is Matthew Kappen's NPI number?
- 1699934125. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Kappen works
Medicare's Facility Affiliation Data lists Matthew Kappen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Curry General HospitalGold Beach, OR · Critical Access Hospital · CCN 381322
- Modoc Medical CenterAlturas, CA · Critical Access Hospital · CCN 051330
Practice locations
Addresses where Matthew Kappen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 N Nagle StAlturas, CA 96101 (530) 708‑8800
- 120 S Main St, Suite AAlturas, CA 96101 (530) 233‑7054
- 2240 E Gonzales RdOxnard, CA 93036 (805) 981‑5221
- 300 Hillmont AveVentura, CA 93003
Group practices
Medicare enrollment lists Matthew Kappen as a member of these groups (CMS data updated 2026-10-02).
- County of Ventura344 clinicians in the group
- Last Frontier Healthcare District31 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Alturas
Clinicians with the same Medicare primary specialty in Alturas, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699934125 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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