Kai Cosmo Zajac, PA
Physician Assistant · Lompoc, CA
Kai Cosmo Zajac, PA is a physician assistant with a practice address in Lompoc, California, and NPI 1114575081, issued on Sep 3, 2019. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kai Cosmo Zajac
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1515 E Ocean Ave, Lompoc, CA 93436
- Phone
- (770) 874-6854
- Enumerated
- Sep 3, 2019
- Record last updated
- Sep 3, 2019 (not updated in 7 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 1515 E Ocean Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Logan Abney, PHARMDPharmacist1326628090
- Motoko Abraham, DOPediatrics Physician1033180898
- Ashley AguilarRegistered Nurse1245156710
- Winnie Badger, PHYSICAL THERAPISTPhysical Therapist1720621485
- David Barsky, PHYSICIAN ASSISTANTPhysician Assistant1831236520
- Natalie Brown, CRNACertified Registered Nurse Anesthetist1902342785
Verify Kai Cosmo Zajac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
178 Medicare Part D claims for 115 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.
Most prescribed
- Cephalexin19 claims
- Amoxicillin-Clavulanate Potass16 claims
- Sulfamethoxazole-Trimethoprim14 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.
Kai Cosmo Zajac among 14,451 physician assistant records in California
Kai Cosmo Zajac, 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 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 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).
23 physician assistant records list a practice address in Lompoc
They are 23 of the 795 NPPES records with a practice address in Lompoc, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Lompoc → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- David Barsky, PHYSICIAN ASSISTANTLompoc, CA 934361831236520
- Joseph Carter, PA-CLompoc, CA 934361740776020
- Kyle Dickinson, PA-CLompoc, CA 934361689140535
- Kathleen Dupont, PA-CLompoc, CA 934361235448283
- Paul Gilardone, PA-CLompoc, CA 934361154509305
- Chantal KingLompoc, CA 934361932682424
- Christy Mayfield, P.A.Lompoc, CA 934361932290533
- Rachel Mendoza, PA-CLompoc, CA 934361316196322
Common questions
What is Kai Cosmo Zajac, PA's NPI number?
Kai Cosmo Zajac, PA's National Provider Identifier (NPI) is 1114575081, issued on Sep 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kai Cosmo Zajac, PA located?
The NPPES record lists a practice address at 1515 E Ocean Ave, Lompoc, CA, 93436. Phone: (770) 874-6854. Providers update this record themselves, so call before visiting.
How can I verify Kai Cosmo Zajac, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kai Cosmo Zajac, PA prescribe under Medicare Part D?
In 2024, Kai Cosmo Zajac, PA had 178 Medicare Part D claims for 115 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.