NPPES file of Aug 9, 2026

Abraham S.c. Chyung, M.D.

Neurology Physician · Honolulu, HI

Abraham S.c. Chyung, M.D. is a neurology physician with a practice address in Honolulu, Hawaii, and NPI 1073590725, issued on Dec 23, 2005. Check the license (Hawaii 24140, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073590725
Name
Abraham S.c. Chyung
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
24140 HI
A79187 CA
Self-reported in NPPES; status is on the state search
Practice location
550 S Beretania St Ste 405, Honolulu, HI 96813
Phone
(808) 691-8866
Enumerated
Dec 23, 2005
Record last updated
Apr 15, 2024
Fax
(808) 691-8865
Medicare enrollment
Enrolled (PECOS I20240313002158); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 405

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

  1. Kelly Furuike, APRNNurse Practitioner1386019388
  2. Alexandra GalatiNeurology Physician1881048759
  3. Karen Morgenshtern Yacoby, M.D.Neurology Physician1497138168
  4. Victoria Wong, M.D.Neurology Physician1407017973

Verify Abraham S.c. Chyung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 24140
    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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89% fewer Medicare Part D claims than the average neurology physician in 2024

154 Medicare Part D claims for 71 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Abraham Chyung154
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl39 claims
  2. Memantine Hcl23 claims
  3. Levetiracetam22 claims
  4. Lacosamide14 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): 63.5 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.

  1. Qualityout of 100 · 30% of the final score31.6
  2. Costout of 100 · 30%63.5
  3. Promoting interoperabilityout of 100 · 25%80.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $886.60

36 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Abraham Chyung$886.60
  2. Specialty average$8,318.07

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

  1. Queens University Medical GroupHonolulu, HI

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

Abraham S.c. Chyung among 61 neurology physician records in Hawaii

Abraham S.c. Chyung, M.D. is one of 61 neurology physician records with a practice address in Hawaii. 84% 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, 89% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2000 · median 2002 among the 46 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Hawaii

There are 61 neurology physician records in Hawaii.

The 8 neurology physician records with the nearest ZIP codes

  1. Michiko Bruno, M.D.Honolulu, HI 968131073618377
  2. Linda Chang, MDHonolulu, HI 968131366523953
  3. Pola Chojecka, M.D.Honolulu, HI 968131881911899
  4. Fay GaoHonolulu, HI 968131124446331
  5. Joseph Kipta, M.D.Honolulu, HI 968131245466267
  6. Jeffrey Liu, M.D.Honolulu, HI 968131750359709
  7. Beau Nakamoto, M.D.Honolulu, HI 968131003924580
  8. Viren Patel, M.D.Honolulu, HI 968131073931309

Common questions

What is Abraham S.c. Chyung, M.D.'s NPI number?

Abraham S.c. Chyung, M.D.'s National Provider Identifier (NPI) is 1073590725, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Abraham S.c. Chyung, M.D. located?

The NPPES record lists a practice address at 550 S Beretania St Ste 405, Honolulu, HI, 96813. Phone: (808) 691-8866. Providers update this record themselves, so call before visiting.

How can I verify Abraham S.c. Chyung, M.D.'s license?

NPPES lists Hawaii license number 24140, 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 Abraham S.c. Chyung, M.D. prescribe under Medicare Part D?

In 2024, Abraham S.c. Chyung, M.D. had 154 Medicare Part D claims for 71 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Abraham S.c. Chyung, M.D.'s MIPS final score?

The 2023 MIPS final score is 63.5 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.