NPPES file of Aug 9, 2026

Boyuan Cao, M.D.

Internal Medicine Physician · Honolulu, HI

Boyuan Cao, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1851344469, issued on May 18, 2006. Check the license (Hawaii MD7796, 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
1851344469
Name
Boyuan Cao
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD7796 HI
Self-reported in NPPES; status is on the state search
Practice location
1507 S King St, Honolulu, HI 96826
Phone
(808) 942-2226
Enumerated
May 18, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20050928000893); 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 1507 S King St

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

  1. Hubert Chang, D.D.S.General Practice Dentistry1538291026
  2. Anthony Chiu, MDGastroenterology Physician1891758033

Verify Boyuan Cao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD7796
    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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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,506 Medicare Part D claims for 443 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. 71 claims were for opioids.

  1. Boyuan Cao7,506
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium541 claims
  2. Amlodipine Besylate408 claims
  3. Metoprolol Succinate297 claims
  4. Metformin Hcl267 claims
  5. Losartan Potassium263 claims
  6. Levothyroxine Sodium237 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: $4,729.37

120 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Boyuan Cao$4,729.37
  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.

Boyuan Cao among 902 internal medicine physician records in Hawaii

Boyuan Cao, M.D. 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 55% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1982 · 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).

579 internal medicine physician records list a practice address in Honolulu

They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Akua Agyeman, MD PHDHonolulu, HI 968261831377688
  2. Steven Dang, MDHonolulu, HI 968261376592378
  3. Janice Harada, M.D.Honolulu, HI 968261639271562
  4. Gary Inamine, MDHonolulu, HI 968261013060698
  5. Nikki Inamine, M.D.Honolulu, HI 968261780848556
  6. Patrick Lam, M.D.Honolulu, HI 968261598870164
  7. Mingsang Lin, M.D.Honolulu, HI 968261013984897
  8. John Melish, MDHonolulu, HI 968261205868361

Common questions

What is Boyuan Cao, M.D.'s NPI number?

Boyuan Cao, M.D.'s National Provider Identifier (NPI) is 1851344469, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Boyuan Cao, M.D. located?

The NPPES record lists a practice address at 1507 S King St, Honolulu, HI, 96826. Phone: (808) 942-2226. Providers update this record themselves, so call before visiting.

How can I verify Boyuan Cao, M.D.'s license?

NPPES lists Hawaii license number MD7796, 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 Boyuan Cao, M.D. prescribe under Medicare Part D?

In 2024, Boyuan Cao, M.D. had 7,506 Medicare Part D claims for 443 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.