NPPES file of Aug 9, 2026

Chihui Yuan, D.O.

Internal Medicine Physician · Ewa Beach, HI

Chihui Yuan, D.O. is an internal medicine physician with a practice address in Ewa Beach, Hawaii, and NPI 1922494848, issued on Apr 7, 2015. Check the license (Hawaii DOS-1964, 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
1922494848
Name
Chihui Yuan
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
DOS-1964 HI
UO5175 FL
Self-reported in NPPES; status is on the state search
Practice location
91-2141 Fort Weaver RD, Ewa Beach, HI 96706
Phone
(401) 684-2564
Enumerated
Apr 7, 2015
Record last updated
Mar 6, 2026
Medicare enrollment
Enrolled (PECOS I20191011002543); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2015
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 91-2141 Fort Weaver RD

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

  1. Michael Abdo, M.D.Hospitalist Physician1730671116
  2. Valorie Ammann, MDEmergency Medicine Physician1174574792
  3. Alexandra Arce-Pickrell, ARNPFamily Nurse Practitioner1881862894
  4. Audie Asistin, MDAnesthesiology Physician1457359861
  5. Kaleilehua Bruchal, CRNFARegistered Nurse First Assistant1649639790
  6. Chi Nga Chan, MDEmergency Medicine Physician1770928038

Verify Chihui Yuan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DOS-1964
    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

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

305 Medicare Part D claims for 123 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 28 claims were for opioids.

  1. Chihui Yuan305
  2. Specialty average3,176

Most prescribed

  1. Prednisone28 claims
  2. Cefdinir26 claims
  3. Oxycodone Hcl22 claims
  4. Furosemide18 claims
  5. Metoprolol Tartrate17 claims
  6. Doxycycline Hyclate14 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.

Industry payments in 2024: $19.94

1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chihui Yuan$19.94
  2. Specialty average$1,303.06

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).

Chihui Yuan among 902 internal medicine physician records in Hawaii

Chihui Yuan, D.O. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.

  • NPI issued2015 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2015 · median 2001 among the 491 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 internal medicine physician records list a practice address in Ewa Beach

They are 19 of the 749 NPPES records with a practice address in Ewa Beach, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elmer Baysa, MDEwa Beach, HI 967061699829127
  2. Roman Cortez, M.D.Ewa Beach, HI 967061568496529
  3. Shruti Deopujari, MBBSEwa Beach, HI 967061831516863
  4. Russell Kelly, MDEwa Beach, HI 967061790787729
  5. Kimberly Kyle, D.OEwa Beach, HI 967061194081901
  6. Albert Lin, M.D.Ewa Beach, HI 967061235148701
  7. Glenda Malana, MDEwa Beach, HI 967061639103070
  8. Aurora Mariani, M.D.Ewa Beach, HI 967061184700353

Common questions

What is Chihui Yuan, D.O.'s NPI number?

Chihui Yuan, D.O.'s National Provider Identifier (NPI) is 1922494848, issued on Apr 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Chihui Yuan, D.O. located?

The NPPES record lists a practice address at 91-2141 Fort Weaver RD, Ewa Beach, HI, 96706. Phone: (401) 684-2564. Providers update this record themselves, so call before visiting.

How can I verify Chihui Yuan, D.O.'s license?

NPPES lists Hawaii license number DOS-1964, 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 Chihui Yuan, D.O. prescribe under Medicare Part D?

In 2024, Chihui Yuan, D.O. had 305 Medicare Part D claims for 123 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.