Garrett Jarmin Kobayashi
Physician Assistant · Mesa, AZ
Garrett Jarmin Kobayashi is a physician assistant with a practice address in Mesa, Arizona, and NPI 1376214684, issued on Sep 26, 2021. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garrett Jarmin Kobayashi
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 5850 E Still Cir, Mesa, AZ 85206
- Phone
- (661) 755-3421
- Enumerated
- Sep 26, 2021
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20260302002447); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 5850 E Still Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Garrett Jarmin Kobayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona 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
30% more Medicare Part D claims than the average physician assistant in 2024
1,077 Medicare Part D claims for 681 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Cephalexin130 claims
- Amoxicillin105 claims
- Fluconazole101 claims
- Methylprednisolone82 claims
- Amoxicillin-Clavulanate Potass65 claims
- Azithromycin61 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.
Bills Medicare through 2 group practices
- High Desert Medical CorporationLancaster, CA
- Northern Arizona Healthcare CorporationFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrett Jarmin Kobayashi among 3,666 physician assistant records in Arizona
Garrett Jarmin Kobayashi is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 64% of them.
- NPI issued2021 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2018 among the 2,207 with a school on file
- Record last updated2026 · 35% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
472 physician assistant records list a practice address in Mesa
They are 472 of the 9,151 NPPES records with a practice address in Mesa, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Mesa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Karen Bjorn, PAMesa, AZ 852061912920968
- James Burkett, PA-CMesa, AZ 852061801807334
- Kelly Connor, PA-CMesa, AZ 852061376669739
- Christopher Davis, PA-CMesa, AZ 852061659457281
- Loren Eberhard, PAMesa, AZ 852061225284755
- Jennifer Godwin, PAMesa, AZ 852061063556355
- Michael Jackson, P.A.Mesa, AZ 852061154394039
- Jillian Jackson, PAMesa, AZ 852061336246628
Common questions
What is Garrett Jarmin Kobayashi's NPI number?
Garrett Jarmin Kobayashi's National Provider Identifier (NPI) is 1376214684, issued on Sep 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Garrett Jarmin Kobayashi located?
The NPPES record lists a practice address at 5850 E Still Cir, Mesa, AZ, 85206. Phone: (661) 755-3421. Providers update this record themselves, so call before visiting.
How can I verify Garrett Jarmin Kobayashi's license?
Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Garrett Jarmin Kobayashi prescribe under Medicare Part D?
In 2024, Garrett Jarmin Kobayashi had 1,077 Medicare Part D claims for 681 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.