Quick answers
- Which hospitals does John A. Kasher work at?
- Medicare's official clinician data lists John A. Kasher at 1 hospital: Providence Saint Joseph Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Kasher see patients?
- Medicare's clinician data lists 3 practice locations, including Burbank, CA, Torrance, CA and La Jolla, CA. Call before your visit to confirm the address.
- What is John A. Kasher's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does John A. Kasher accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Kasher 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 John A. Kasher offer telehealth?
- Medicare's clinician data says John A. Kasher offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John A. Kasher?
- (310) 534-8400, as listed in official Medicare / NPI Registry data.
- What is John A. Kasher's NPI number?
- 1285723304. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Kasher works
Medicare's Facility Affiliation Data lists John A. Kasher at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Saint Joseph Medical CtrBurbank, CA · Acute Care Hospital · CCN 050235
Practice locations
Addresses where John A. Kasher is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 S Buena Vista StBurbank, CA 91505
- 23600 Telo Ave, Suite 220Torrance, CA 90505 (310) 534‑8400
- 9850 Genesee Ave, Suite 440La Jolla, CA 92037 (858) 453‑5944
Group practices
Medicare enrollment lists John A. Kasher as a member of this group (CMS data updated 2026-10-02).
- Genesis Healthcare Partners PC228 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285723304 |
| 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