Quick answers
- Which hospitals does Jay P. Klarnet work at?
- Medicare's official clinician data lists Jay P. Klarnet at 5 hospitals: Alaska Native Medical Center, Havasu Regional Medical Center, La Paz Regional Hospital, St James Hospital and St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jay P. Klarnet see patients?
- Medicare's clinician data lists 4 practice locations, including Lake Havasu City, AZ, Oxnard, CA and Anchorage, AK. Call before your visit to confirm the address.
- What is Jay P. Klarnet's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology/Oncology.
- Does Jay P. Klarnet accept Medicare assignment?
- Yes. Medicare's clinician data says Jay P. Klarnet 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 Jay P. Klarnet offer telehealth?
- Medicare's clinician data says Jay P. Klarnet offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jay P. Klarnet?
- (928) 453-3761, as listed in official Medicare / NPI Registry data.
- What is Jay P. Klarnet's NPI number?
- 1538258314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jay P. Klarnet works
Medicare's Facility Affiliation Data lists Jay P. Klarnet at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alaska Native Medical CenterAnchorage, AK · Acute Care Hospital · CCN 020026
- Havasu Regional Medical CenterLake Havasu City, AZ · Acute Care Hospital · CCN 030069
- La Paz Regional HospitalParker, AZ · Critical Access Hospital · CCN 031317
- St James HospitalButte, MT · Acute Care Hospital · CCN 270017
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
Practice locations
Addresses where Jay P. Klarnet is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Civic Ctr LnLake Havasu City, AZ 86403 (928) 453‑3761
- 2901 N Ventura Rd, Suite 110Oxnard, CA 93036 (805) 981‑6163
- 3900 Ambassador DrAnchorage, AK 99508 (907) 563‑2662
- 400 S Clark StButte, MT 59701 (406) 495‑7260
Group practices
Medicare enrollment lists Jay P. Klarnet as a member of these groups (CMS data updated 2026-10-02).
- Alaska Native Tribal Health Consortium607 clinicians in the group
- Pacific Central Coast Health Centers253 clinicians in the group
- SCL Health Medical Group-Butte LLC100 clinicians in the group
- HRMC, LLC34 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematology/Oncologyalso
Other oncologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538258314 |
| 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