Spencer K.y. Chang, M.D.
Orthopaedic Surgery Physician · Honolulu, HI
Spencer K.y. Chang, M.D. is an orthopaedic surgery physician with a practice address in Honolulu, Hawaii, and NPI 1568536233, issued on Nov 17, 2006. Check the license (Hawaii MD-12705, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Spencer K.y. Chang
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- MD-12705 HI
Self-reported in NPPES; status is on the state search - Practice location
- 888 South King Street, Honolulu, HI 96813
- Phone
- (808) 522-4000
- Enumerated
- Nov 17, 2006
- Record last updated
- Mar 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (808) 522-4401
- Medicaid ID
- 547341 01 HI
- Medicare enrollment
- Enrolled (PECOS I20110801000406); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1996
- Entity
- Type 1 · individual
Also registered at 888 South King Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wesley Lum, ODOptometrist1508085788
- Kami Nishimura, RDNRegistered Dietitian1033684576
Verify Spencer K.y. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-12705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
26 Medicare Part D claims for 18 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,698.34
13 payments; by number, the most common kind was food and beverage; the largest payer was Vericel Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 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.
One hospital affiliation
- Pali Momi Medical CenterAiea, 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.
Orthopaedic Surgery Physician providers in Hawaii
There are 107 orthopaedic surgery physician records in Hawaii.
Other orthopaedic surgery physician records in Hawaii
- Ashley Aratani, M.D.Aiea, HI1578909743
- Nicolas Artz, MDHonolulu, HI1396502472
- Darin Awaya, MDHonolulu, HI1477544633
- Warren Ayers, MDWailuku, HI1750460804
- Wade Banta, MDHonolulu, HI1053994871
- Anthony Barcia, M.D.Honolulu, HI1043447949
- Stuart BaumgardMaunaloa, HI1346433950
- Timothy Berney, M.D.Wailuku, HI1548239239
- Brandee Black, M.D.Kailua, HI1477864429
- Barry Blum, MDKailua Kona, HI1295839595
Common questions
What is Spencer K.y. Chang, M.D.'s NPI number?
Spencer K.y. Chang, M.D.'s National Provider Identifier (NPI) is 1568536233, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Spencer K.y. Chang, M.D. located?
The NPPES record lists a practice address at 888 South King Street, Honolulu, HI, 96813. Phone: (808) 522-4000. Providers update this record themselves, so call before visiting.
How can I verify Spencer K.y. Chang, M.D.'s license?
NPPES lists Hawaii license number MD-12705, 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 Spencer K.y. Chang, M.D. prescribe under Medicare Part D?
In 2024, Spencer K.y. Chang, M.D. had 26 Medicare Part D claims for 18 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Spencer K.y. Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.