Quick answers
- Where does Jack Kennis see patients?
- Medicare's clinician data lists 1 practice location in Los Alamitos, CA. Call before your visit to confirm the address.
- What is Jack Kennis's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
- Does Jack Kennis accept Medicare assignment?
- Yes. Medicare's clinician data says Jack Kennis 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 Jack Kennis?
- (562) 936-0292, as listed in official Medicare / NPI Registry data.
- What is Jack Kennis's NPI number?
- 1477504249. 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 Jack Kennis is enrolled with Medicare (CMS data updated 2026-10-02).
- 3742 Katella Ave, Suite 302Los Alamitos, CA 90720 (562) 936‑0292
Group practices
Medicare enrollment lists Jack Kennis as a member of this group (CMS data updated 2026-10-02).
- Sarah Sandell MD Facp and Susan Sleep MD Amc2 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in Los Alamitos
Clinicians with the same Medicare primary specialty in Los Alamitos, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Irvine California College Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477504249 |
| 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