Keith Kessler, PA
Physician Assistant · Yorba Linda, CA
Keith Kessler, PA is a physician assistant with a practice address in Yorba Linda, California, and NPI 1972711406, issued on May 18, 2007. Check the license (California PA11408, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Kessler
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA11408 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4300 Rose Dr, Yorba Linda, CA 92886
- Phone
- (714) 577-6680
- Enumerated
- May 18, 2007
- Record last updated
- Nov 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 4300 Rose Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abram Beshay, MDDermatology Physician1356874218
- Paul Bracho, LCSW MFTClinical Social Worker1326185018
- Ai-Vy Bui, DOPediatrics Physician1821557984
Verify Keith Kessler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA11408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average physician assistant in 2024
1,385 Medicare Part D claims for 1,052 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 102 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen56 claims
- Alprazolam52 claims
- Atorvastatin Calcium49 claims
- Levothyroxine Sodium46 claims
- Eliquis40 claims
- Zolpidem Tartrate36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Keith Kessler among 14,451 physician assistant records in California
Keith Kessler, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 physician assistant records list a practice address in Yorba Linda
They are 18 of the 748 NPPES records with a practice address in Yorba Linda, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Yorba Linda → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer BrewerYorba Linda, CA 928861255861605
- Christina Caputo, PAYorba Linda, CA 928861366771891
- Kristen Connor, PA-CYorba Linda, CA 928861710309018
- Steve Do, PAYorba Linda, CA 928861578039590
- Jessica Gomez, PA-CYorba Linda, CA 928861114582681
- Trevor Holloway, P.A.Yorba Linda, CA 928861922251735
- Michelle Kreidt, PA-CYorba Linda, CA 928861740840487
- Jamie Lee, MPAS, PA-CYorba Linda, CA 928861750789780
Common questions
What is Keith Kessler, PA's NPI number?
Keith Kessler, PA's National Provider Identifier (NPI) is 1972711406, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keith Kessler, PA located?
The NPPES record lists a practice address at 4300 Rose Dr, Yorba Linda, CA, 92886. Phone: (714) 577-6680. Providers update this record themselves, so call before visiting.
How can I verify Keith Kessler, PA's license?
NPPES lists California license number PA11408, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Kessler, PA prescribe under Medicare Part D?
In 2024, Keith Kessler, PA had 1,385 Medicare Part D claims for 1,052 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.