NPPES file of Aug 9, 2026

John Leon Bossian, DO

Family Medicine Physician · Pearl Harbor, HI

John Leon Bossian, DO is a family medicine physician with a practice address in Pearl Harbor, Hawaii, and NPI 1881651271, issued on Apr 28, 2006. Check the license (Hawaii DO1419, as entered in NPPES) on the Hawaii Medical Board; 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
1881651271
Name
John Leon Bossian
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DO1419 HI
Self-reported in NPPES; status is on the state search
Practice location
15TH Mdos Jbph, Pearl Harbor, HI 96734
Phone
(808) 448-6100
Enumerated
Apr 28, 2006
Record last updated
Jul 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid IDs
5820708 RI
JB35286 RI
Medicare enrollment
Enrolled (PECOS I20200408002916); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 1983
Telehealth
Offers telehealth (CMS)
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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Verify John Leon Bossian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DO1419
    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
Open 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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39% fewer Medicare Part D claims than the average family medicine physician in 2024

2,169 Medicare Part D claims for 253 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.

  1. John Bossian2,169
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium235 claims
  2. Amlodipine Besylate167 claims
  3. Lisinopril119 claims
  4. Losartan Potassium101 claims
  5. Metformin Hcl98 claims
  6. Metoprolol Succinate55 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.

Industry payments in 2024: $125.00

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Bossian$125.00
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

John Leon Bossian among 730 family medicine physician records in Hawaii

John Leon Bossian, DO is one of 730 family medicine physician records with a practice address in Hawaii. 65% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1983 · median 2006 among the 383 with a school on file
  • Record last updated2018 · 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 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family medicine physician records list a practice address in Pearl Harbor

They are 15 of the 372 NPPES records with a practice address in Pearl Harbor, and 730 family medicine physician records in Hawaii.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Aoki, M.D.Kailua, HI 967341912076902
  2. Shaun Berry, MDKailua, HI 967341497725683
  3. Patricia Borman, MDKailua, HI 967341699859314
  4. Allan Chun, DOSKailua, HI 967341750481560
  5. Mark Ferri, DOKailua, HI 967341811088065
  6. Dale Glenn, M.D.Kailua, HI 967341962591552
  7. Amy Kogut, MDKailua, HI 967341497855191
  8. Stuart Lerner, MDKailua, HI 967341881647782

Common questions

What is John Leon Bossian, DO's NPI number?

John Leon Bossian, DO's National Provider Identifier (NPI) is 1881651271, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Leon Bossian, DO located?

The NPPES record lists a practice address at 15TH Mdos Jbph, Pearl Harbor, HI, 96734. Phone: (808) 448-6100. Providers update this record themselves, so call before visiting.

How can I verify John Leon Bossian, DO's license?

NPPES lists Hawaii license number DO1419, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Leon Bossian, DO prescribe under Medicare Part D?

In 2024, John Leon Bossian, DO had 2,169 Medicare Part D claims for 253 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.