Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Jack D Kennis, MD

Individual provider Emergency Medicine Physician · NPI 1477504249

Jack D Kennis, MD is an Internal Medicine in Downey, California. Graduated from Irvine California College of Medicine in 1980, 46 years ago. Practices with Sarah Sandell MD FACP and Susan Sleep MD Amc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
46
Trained at
Irvine California College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11500 Brookshire Ave
Downey, CA 90241
Phone: (562) 904-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G46843 (CA)

Record details

NPI number1477504249
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESJanuary 29, 2025
Certification dateJanuary 29, 2025
Mailing addressPo Box 39159, Downey, CA 90239

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolIRVINE CALIFORNIA COLLEGE OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Sarah Sandell Md Facp And Susan Sleep Md Amc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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