Gregory Kiyoshi Kobayashi, MD
Anatomic Pathology Physician · Honolulu, HI
Gregory Kiyoshi Kobayashi, MD is an anatomic pathology physician with a practice address in Honolulu, Hawaii, and NPI 1124038625, issued on Aug 8, 2006. Check the license (Hawaii 10963, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Kiyoshi Kobayashi
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License number
- 10963 HI
Self-reported in NPPES; status is on the state search - Practice location
- 347 N Kuakini St, Honolulu, HI 96817
- Phone
- (808) 547-9496
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (808) 547-9497
- Medicaid ID
- 496267 01 HI
- Medicare enrollment
- Enrolled (PECOS I20101229000297); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1994
- Entity
- Type 1 · individual
2 nearest anatomic pathology physician records → All 3 in Hawaii → Look up another NPI →
Also registered at 347 N Kuakini St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andy Aoki, M.D.Diagnostic Radiology Physician1558326629
- Howard Arimoto, M.D.Diagnostic Radiology Physician1033174818
- David Brush, MDEmergency Medicine Physician1952392748
- John Buzanoski, M.D.Geriatric Medicine (Internal Medicine) Physician1407873037
- Andy Chon, MDDiagnostic Radiology Physician1093978538
- Hillary Chun, DPTPhysical Therapist1033772983
Verify Gregory Kiyoshi Kobayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 10963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.17
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 382 providers of this specialty with any payment received $3,145.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kuakini Pathologlists LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anatomic Pathology Physician providers in Hawaii
There are 3 anatomic pathology physician records in Hawaii.
All 3 in Hawaii → Every provider in Honolulu → Anatomic Pathology Physician nationwide →
The 2 anatomic pathology physician records with the nearest ZIP codes
- Narendra PatelHonolulu, HI 968161356885081
- Meredith Miller, MDLahaina, HI 967611023330099
Common questions
What is Gregory Kiyoshi Kobayashi, MD's NPI number?
Gregory Kiyoshi Kobayashi, MD's National Provider Identifier (NPI) is 1124038625, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Kiyoshi Kobayashi, MD located?
The NPPES record lists a practice address at 347 N Kuakini St, Honolulu, HI, 96817. Phone: (808) 547-9496. Providers update this record themselves, so call before visiting.
How can I verify Gregory Kiyoshi Kobayashi, MD's license?
NPPES lists Hawaii license number 10963, 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.
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.