James Y. Sim, M.D.
Pediatric Cardiology Physician · Honolulu, HI
James Y. Sim, M.D. is a pediatric cardiology physician with a practice address in Honolulu, Hawaii, and NPI 1174634067, issued on Aug 31, 2006. Check the license (Hawaii 12445, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Y. Sim
- Credential
- M.D.
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 12445 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1319 Punahou St Ste 1160, Honolulu, HI 96826
- Phone
- (808) 942-7707
- Enumerated
- Aug 31, 2006
- Record last updated
- Nov 30, 2023
- Fax
- (808) 955-3301
- Medicaid ID
- 53641901 HI
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 11 in Hawaii → Look up another NPI →
Verify James Y. Sim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 12445Check 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: $13.09
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 1,156 providers of this specialty with any payment received $2,864.57 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.
James Y. Sim among 11 pediatric cardiology physician records in Hawaii
James Y. Sim, M.D. is one of 11 pediatric cardiology physician records with a practice address in Hawaii. 45% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 55% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Hawaii
There are 11 pediatric cardiology physician records in Hawaii.
All 11 in Hawaii → Every provider in Honolulu → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Jihyun Park, MDHonolulu, HI 968261558922807
- Venu Reddy, M.D.Honolulu, HI 968261437226743
- William Pearl, M.D.Honolulu, HI 968211417191065
- Colin Petko, M.D.Honolulu, HI 968191992845697
- Lance Shirai, MDHonolulu, HI 968191306947247
- Christopher Stefanelli, M.D.Honolulu, HI 968191841227907
- Joseph Hitt, MDTripler Amc, HI 968591457819880
- Erik Johnson, MDTripler Army Medical Center, HI 968591447461009
Common questions
What is James Y. Sim, M.D.'s NPI number?
James Y. Sim, M.D.'s National Provider Identifier (NPI) is 1174634067, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Y. Sim, M.D. located?
The NPPES record lists a practice address at 1319 Punahou St Ste 1160, Honolulu, HI, 96826. Phone: (808) 942-7707. Providers update this record themselves, so call before visiting.
How can I verify James Y. Sim, M.D.'s license?
NPPES lists Hawaii license number 12445, 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.