Boyuan Cao, M.D.
NPI 1851344469 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Boyuan Cao, M.D. is a Internal Medicine Physician provider in Honolulu, HI (NPI 1851344469).
Provider details
- NPI number
- 1851344469
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- MD7796 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
789 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 287 | $94 |
| Advance Care Planning, First 30 Minutes99497 | 76 | $83 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 65 | $134 |
| Administration of Influenza Virus VaccineG0008 | 24 | $34 |
| Transitional Care Management Services for Problem of High Complexity99496 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 541 | 163 |
| Amlodipine Besylate | 408 | 125 |
| Metoprolol Succinate | 297 | 90 |
| Metformin Hcl | 267 | 81 |
| Losartan Potassium | 263 | 77 |
| Levothyroxine Sodium | 237 | 70 |
| Pravastatin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,729 across 120 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Boyuan Cao's NPI number?
- Boyuan Cao's National Provider Identifier (NPI) is 1851344469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Boyuan Cao's specialty?
- Boyuan Cao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Boyuan Cao located?
- Boyuan Cao's practice location on file with NPPES is 1507 S King St, Honolulu, HI 96826-1930.
- What is Boyuan Cao's phone number?
- The practice phone number listed in the NPPES registry for Boyuan Cao is (808) 942-2226.
- Does Boyuan Cao accept Medicare?
- Boyuan Cao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Boyuan Cao's NPI active?
- Yes — Boyuan Cao's NPI (1851344469) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.