Simon Kuochen Chang, M.D.
Obstetrics & Gynecology Physician · Honolulu, HI
Simon Kuochen Chang, M.D. is an obstetrics & gynecology physician with a practice address in Honolulu, Hawaii, and NPI 1285635458, issued on Aug 9, 2005. Check the license (Hawaii 6692, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Simon Kuochen Chang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 6692 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Ward Ave, Honolulu, HI 96814
- Phone
- (808) 599-2854
- Enumerated
- Aug 9, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (808) 599-2891
- Medicaid IDs
- 05187505 HI
05187506 HI - Medicare enrollment
- Enrolled (PECOS I20041116000829); accepts Medicare assignment
- Medical or professional school
- Jc Edwards School Of Medicine, Marshall University, 1985
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 288 in Hawaii → Look up another NPI →
Also registered at 1100 Ward Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Andaya Yasso, PSY.D.Clinical Psychologist1376670406
- Alan Buffenstein, M.DPsychiatry Physician1639278104
- Alan Faulkner, M.D.Ophthalmology Physician1043312887
- Donald Geil, D.OPsychiatry Physician1568500213
- John Guo, M.D.Psychiatry Physician1114016623
- Elizabeth-Rose Hanohano-Hong, O.D.Optometrist1083097547
Verify Simon Kuochen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 6692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
469 Medicare Part D claims for 148 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Raloxifene Hcl255 claims
- Prolia45 claims
- Alendronate Sodium36 claims
- Premarin26 claims
- Estradiol25 claims
- Yuvafem13 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.
Simon Kuochen Chang among 288 obstetrics & gynecology physician records in Hawaii
Simon Kuochen Chang, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1985 · median 2006 among the 158 with a school on file
- Record last updated2026 · 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
- Deborah Buccigrossi, MDHonolulu, HI 968141033219977
- Gwendolyn Chung, M.D.Honolulu, HI 968141043305543
- Raydeen Fujimoto-Busse, MDHonolulu, HI 968141518941632
- Diana Huang, M.D.Honolulu, HI 968141942394945
- Sarah Hutchison, M.D.Honolulu, HI 968141700089398
- Christopher Miura, MDHonolulu, HI 968141508967670
- Bradley Sakaguchi, M.D.Honolulu, HI 968141215031232
- Jonathan Sisler, MDHonolulu, HI 968141376698480
Common questions
What is Simon Kuochen Chang, M.D.'s NPI number?
Simon Kuochen Chang, M.D.'s National Provider Identifier (NPI) is 1285635458, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Simon Kuochen Chang, M.D. located?
The NPPES record lists a practice address at 1100 Ward Ave, Honolulu, HI, 96814. Phone: (808) 599-2854. Providers update this record themselves, so call before visiting.
How can I verify Simon Kuochen Chang, M.D.'s license?
NPPES lists Hawaii license number 6692, 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 Simon Kuochen Chang, M.D. prescribe under Medicare Part D?
In 2024, Simon Kuochen Chang, M.D. had 469 Medicare Part D claims for 148 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.