Jack D. Kennis, MD
Emergency Medicine Physician · Downey, CA
Jack D. Kennis, MD is an emergency medicine physician with a practice address in Downey, California, and NPI 1477504249, issued on May 15, 2006. Check the license (California G46843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack D. Kennis
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G46843 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11500 Brookshire Ave, Downey, CA 90241
- Phone
- (562) 904-5000
- Enumerated
- May 15, 2006
- Record last updated
- Jan 29, 2025
- Medicaid ID
- 00G468430 CA
- Medicare enrollment
- Enrolled (PECOS I20250310003345); accepts Medicare assignment
- Medical or professional school
- Irvine California College Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 11500 Brookshire Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cristionne Barbarin, LCSWClinical Social Worker1942685342
- Ivan Barrett, M.D.Diagnostic Radiology Physician1073571113
- Tyana Besada, MSN, RN, CNS, CCRNClinical Nurse Specialist1932056231
- Payal Bhowmick, PHARMDPharmacotherapy Pharmacist1518783661
- Alexis BoltonFamily Nurse Practitioner1215546197
Verify Jack D. Kennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G46843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sarah Sandell MD Facp And Susan Sleep MD AmcLos Alamitos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack D. Kennis among 7,751 emergency medicine physician records in California
Jack D. Kennis, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1980 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Downey → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Elliott Brandwene, MDDowney, CA 902411518050012
- Britt Durham, MDDowney, CA 902411760427926
- Mandaar Gokhale, MDDowney, CA 902411023059219
- Richard Guess, MDDowney, CA 902411083641708
- Daniel Kahsai, MDDowney, CA 902411376588624
- John Kare, MDDowney, CA 902411437108024
- Bryce Ko, M.D.Downey, CA 902411295016475
- Martin Orens, MDDowney, CA 902411356391544
Common questions
What is Jack D. Kennis, MD's NPI number?
Jack D. Kennis, MD's National Provider Identifier (NPI) is 1477504249, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack D. Kennis, MD located?
The NPPES record lists a practice address at 11500 Brookshire Ave, Downey, CA, 90241. Phone: (562) 904-5000. Providers update this record themselves, so call before visiting.
How can I verify Jack D. Kennis, MD's license?
NPPES lists California license number G46843, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.