NPPES file of Aug 9, 2026

Eric Taehyun Chang, M.D.

Surgery Physician · Honolulu, HI

Eric Taehyun Chang, M.D. is a surgery physician with a practice address in Honolulu, Hawaii, and NPI 1912226671, issued on May 20, 2010. Check the license (Hawaii 18971, 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
1912226671
Name
Eric Taehyun Chang
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
18971 HI
4301096555 MI
Self-reported in NPPES; status is on the state search
Practice location
550 S Beretania St Ste 509, Honolulu, HI 96813
Phone
(808) 691-8885
Enumerated
May 20, 2010
Record last updated
Nov 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190515002911); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 550 S Beretania St Ste 509

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

  1. Alexandra BritoSurgery Physician1356723175
  2. Whitney Carlton, M.D.Surgical Critical Care Physician1033552666
  3. Sho Furuta, M.D.Trauma Surgery Physician1548527823
  4. Felix Yong, M.D., M.S.Surgery Physician1962881201

Verify Eric Taehyun Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 18971
    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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46% fewer Medicare Part D claims than the average surgery physician in 2024

79 Medicare Part D claims for 45 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 29 claims were for opioids.

  1. Eric Chang79
  2. Specialty average147

Most prescribed

  1. Tramadol Hcl21 claims
  2. Gabapentin12 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupFontana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eric Taehyun Chang among 145 surgery physician records in Hawaii

Eric Taehyun Chang, M.D. is one of 145 surgery physician records with a practice address in Hawaii. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2010 · median 2003 among the 73 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Hawaii

There are 145 surgery physician records in Hawaii.

The 8 surgery physician records with the nearest ZIP codes

  1. John Balfour, M.D.Honolulu, HI 968131649344110
  2. Peter Halford, MDHonolulu, HI 968131104994201
  3. Michael Hayashi, M.DHonolulu, HI 968131699976308
  4. Daphne Hemmings, MDHonolulu, HI 968131861533325
  5. David Jackowe, M.D.Honolulu, HI 968131952506172
  6. Wayne Lee, MDHonolulu, HI 968131548327794
  7. Cedric Lorenzo, M.D.Honolulu, HI 968131043432842
  8. Kathleen Mah, M.D.Honolulu, HI 968131467417188

Common questions

What is Eric Taehyun Chang, M.D.'s NPI number?

Eric Taehyun Chang, M.D.'s National Provider Identifier (NPI) is 1912226671, issued on May 20, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Eric Taehyun Chang, M.D. located?

The NPPES record lists a practice address at 550 S Beretania St Ste 509, Honolulu, HI, 96813. Phone: (808) 691-8885. Providers update this record themselves, so call before visiting.

How can I verify Eric Taehyun Chang, M.D.'s license?

NPPES lists Hawaii license number 18971, 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 Eric Taehyun Chang, M.D. prescribe under Medicare Part D?

In 2024, Eric Taehyun Chang, M.D. had 79 Medicare Part D claims for 45 beneficiaries; the average among surgery physician prescribers was 147. 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.