NPPES file of Aug 9, 2026

Joel David M. Hamaguchi, PA-C

Medical Physician Assistant · Honolulu, HI

Joel David M. Hamaguchi, PA-C is a medical physician assistant with a practice address in Honolulu, Hawaii, and NPI 1598178543, issued on Jun 7, 2014. Check the license (Hawaii AMD-561, as entered in NPPES) with the Hawaii 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
1598178543
Name
Joel David M. Hamaguchi
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
AMD-561 HI
Self-reported in NPPES; status is on the state search
Practice location
1010 Pensacola St, Honolulu, HI 96814
Phone
(808) 432-2000
Enumerated
Jun 7, 2014
Record last updated
Sep 6, 2023
Medicare enrollment
Enrolled (PECOS I20140711000267); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1010 Pensacola St

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

  1. Vanessa Antonio-Ignacio, DOFamily Medicine Physician1629711841
  2. Ruth Ayala, PTAPhysical Therapy Assistant1417124157
  3. Kathleen Baker, PTPhysical Therapist1902844236
  4. Argenita Balinbin, APRN-RX FNP-CFamily Nurse Practitioner1568819811
  5. Alfredo Baron, PTAPhysical Therapy Assistant1538383476
  6. Kenneth Baum, MDOphthalmology Physician1871692269

Verify Joel David M. Hamaguchi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
    Search for license AMD-561
    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 Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% more Medicare Part D claims than the average medical physician assistant in 2024

1,205 Medicare Part D claims for 471 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 60 claims were for opioids.

  1. Joel David Hamaguchi1,205
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium104 claims
  2. Amlodipine Besylate54 claims
  3. Losartan Potassium48 claims
  4. Doxycycline Monohydrate45 claims
  5. Lisinopril37 claims
  6. Albuterol Sulfate Hfa29 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 one group practice

  1. Hawaii Permanente Medical Group IncHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joel David M. Hamaguchi among 111 medical physician assistant records in Hawaii

Joel David M. Hamaguchi, PA-C is one of 111 medical physician assistant records with a practice address in Hawaii. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 61% of them.

  • NPI issued2014 · 61% of these records are older, 32% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2013 · median 2013 among the 51 with a school on file
  • Record last updated2023 · 52% 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 Hawaii 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 Hawaii

There are 111 medical physician assistant records in Hawaii.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Larry Au, PAHonolulu, HI 968141598879876
  2. Abby Gardner, PACHonolulu, HI 968141669549770
  3. Josh Keller, MPASHonolulu, HI 968141043404577
  4. Regina Lee, PA-CHonolulu, HI 968141255482782
  5. Justin Maio, PA-CHonolulu, HI 968141043647381
  6. Lynn Tai, PA-CHonolulu, HI 968141619373198
  7. Jeanelle Ahuna, PHYSICIAN ASSISTANTHonolulu, HI 968151043463482
  8. Dennis Alvaro, PA-CHonolulu, HI 968131194746784

Common questions

What is Joel David M. Hamaguchi, PA-C's NPI number?

Joel David M. Hamaguchi, PA-C's National Provider Identifier (NPI) is 1598178543, issued on Jun 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Joel David M. Hamaguchi, PA-C located?

The NPPES record lists a practice address at 1010 Pensacola St, Honolulu, HI, 96814. Phone: (808) 432-2000. Providers update this record themselves, so call before visiting.

How can I verify Joel David M. Hamaguchi, PA-C's license?

NPPES lists Hawaii license number AMD-561, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

How much does Joel David M. Hamaguchi, PA-C prescribe under Medicare Part D?

In 2024, Joel David M. Hamaguchi, PA-C had 1,205 Medicare Part D claims for 471 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.