NPPES file of Aug 9, 2026

Julianne Byun, MD

Obstetrics & Gynecology Physician · Honolulu, HI

Julianne Byun, MD is an obstetrics & gynecology physician with a practice address in Honolulu, Hawaii, and NPI 1285489807, issued on Apr 18, 2024. Check the license (Hawaii MDR-8737, 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
1285489807
Name
Julianne Byun
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MDR-8737 HI
Self-reported in NPPES; status is on the state search
Practice location
1319 Punahou St FL 8, Honolulu, HI 96826
Phone
(808) 983-6000
Enumerated
Apr 18, 2024
Record last updated
Nov 24, 2025
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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8 nearest obstetrics & gynecology physician records → All 288 in Hawaii → Look up another NPI →

Also registered at 1319 Punahou St FL 8

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

  1. Judzia Bombard, MDObstetrics & Gynecology Physician1811789647
  2. Juyoung ChongObstetrics & Gynecology Physician1720924186
  3. Daniel Dawson, MDObstetrics & Gynecology Physician1407643794
  4. Ireland Flannery, MDObstetrics & Gynecology Physician1871388348
  5. Emerald Frank, MDObstetrics & Gynecology Physician1295672624
  6. Arielle Howell, MDObstetrics & Gynecology Physician1699562223

Verify Julianne Byun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MDR-8737    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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Industry payments in 2024: $21.14

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julianne Byun$21.14
  2. Specialty average$1,030.61

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

Julianne Byun among 288 obstetrics & gynecology physician records in Hawaii

Julianne Byun, MD is one of 288 obstetrics & gynecology physician 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 2024, is newer than 93% of them.

  • NPI issued2024 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

160 obstetrics & gynecology physician records list a practice address in Honolulu

They are 160 of the 12,408 NPPES records with a practice address in Honolulu, and 288 obstetrics & gynecology physician records in Hawaii.

All 288 in Hawaii → Every provider in Honolulu → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Tod Aeby, MDHonolulu, HI 968261922082049
  2. Shawna Brizzolara, MDHonolulu, HI 968261811971930
  3. William Fong, MDHonolulu, HI 968261477536472
  4. Gaylyn Li, MDHonolulu, HI 968261699759746
  5. Stephen Lin, M.D.Honolulu, HI 968261639165244
  6. Richard McCartin, M.D.Honolulu, HI 968261235111295
  7. Jon Morikawa, MDHonolulu, HI 968261952302200
  8. Roy Nakayama, MDHonolulu, HI 968261407830557

Common questions

What is Julianne Byun, MD's NPI number?

Julianne Byun, MD's National Provider Identifier (NPI) is 1285489807, issued on Apr 18, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Julianne Byun, MD located?

The NPPES record lists a practice address at 1319 Punahou St FL 8, Honolulu, HI, 96826. Phone: (808) 983-6000. Providers update this record themselves, so call before visiting.

How can I verify Julianne Byun, MD's license?

NPPES lists Hawaii license number MDR-8737, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.