NPPES file of Aug 9, 2026

Gayle Kikumi Sakaguchi, PA-C, PTA

Medical Physician Assistant · Lancaster, CA

Gayle Kikumi Sakaguchi, PA-C, PTA is a medical physician assistant with a practice address in Lancaster, California, and NPI 1538233085, issued on Nov 17, 2006. Check the license (California PA 17174, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538233085
Name
Gayle Kikumi Sakaguchi
Credential
PA-C, PTA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
PA 17174 CA
AT 1215 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 W Avenue J, Lancaster, CA 93534
Phone
(661) 949-5115
Enumerated
Nov 17, 2006
Record last updated
Dec 27, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1600 W Avenue J

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sam Abid, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1295366656
  2. Hazem Aboaid, MDInternal Medicine Physician1689323552
  3. Beverly Kim AgniPsychiatric/Mental Health Registered Nurse1194542761
  4. Josephine Aideloje, NPPsychiatric/Mental Health Nurse Practitioner1790272243
  5. Imaobong AliyuAdult Psychiatric/Mental Health Registered Nurse1497343206
  6. Sam Allen, MDObstetrics & Gynecology Physician1982740841

Verify Gayle Kikumi Sakaguchi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA 17174
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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88% fewer Medicare Part D claims than the average medical physician assistant in 2024

143 Medicare Part D claims for 80 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Gayle Sakaguchi143
  2. Specialty average1,148

Most prescribed

  1. Lisinopril14 claims
  2. Hydrocodone-Acetaminophen11 claims
  3. Ondansetron Odt11 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.

Gayle Kikumi Sakaguchi among 3,376 medical physician assistant records in California

Gayle Kikumi Sakaguchi, PA-C, PTA is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 80% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Claudia AlcaldeLancaster, CA 935341093454944
  2. Sharon Ashton, PA-CLancaster, CA 935341659584746
  3. Alex Detrana, PALancaster, CA 935341568549970
  4. David Doriguzzi, PA-CLancaster, CA 935341730195728
  5. Kevin Eastham, PA CLancaster, CA 935341790881316
  6. Mary Harper, PALancaster, CA 935341184874448
  7. Jacqueline Hattar, PA-CLancaster, CA 935341821438318
  8. Christian Hauser, P.A-CLancaster, CA 935341003878950

Common questions

What is Gayle Kikumi Sakaguchi, PA-C, PTA's NPI number?

Gayle Kikumi Sakaguchi, PA-C, PTA's National Provider Identifier (NPI) is 1538233085, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gayle Kikumi Sakaguchi, PA-C, PTA located?

The NPPES record lists a practice address at 1600 W Avenue J, Lancaster, CA, 93534. Phone: (661) 949-5115. Providers update this record themselves, so call before visiting.

How can I verify Gayle Kikumi Sakaguchi, PA-C, PTA's license?

NPPES lists California license number PA 17174, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gayle Kikumi Sakaguchi, PA-C, PTA prescribe under Medicare Part D?

In 2024, Gayle Kikumi Sakaguchi, PA-C, PTA had 143 Medicare Part D claims for 80 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.