Michael Chan, M.D.
NPI 1003841834 · Cardiovascular Disease Physician · Aiea, HI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chan, M.D. is a Cardiovascular Disease Physician provider in Aiea, HI (NPI 1003841834).
Provider details
- NPI number
- 1003841834
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8690 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4,118 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 | 1,847 | $137 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 605 | $15 |
| Ultrasound Study of Arm and Leg Arteries93922 | 238 | $94 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 238 | $276 |
| Complete Ultrasound of Aorta, Vena Cava, Groin Vessels Or Bypass Grafts93978 | 233 | $203 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 724 | 222 |
| Apixabanbrand: Eliquis | 595 | 179 |
| Carvedilol | 292 | 83 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 202 | 50 |
| Ezetimibe | 194 | 59 |
| Sacubitril/Valsartanbrand: Entresto | 172 | 44 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$899 across 24 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
- 2006-07-11
- Last updated
- 2012-12-26
Frequently asked questions
- What is Michael Chan's NPI number?
- Michael Chan's National Provider Identifier (NPI) is 1003841834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chan's specialty?
- Michael Chan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chan located?
- Michael Chan's practice location on file with NPPES is 98-1079 Moanalua Rd, Aiea, HI 96701-4713.
- What is Michael Chan's phone number?
- The practice phone number listed in the NPPES registry for Michael Chan is (808) 486-6200.
- Does Michael Chan accept Medicare?
- Michael Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chan's NPI active?
- Yes — Michael Chan's NPI (1003841834) is active in the NPPES registry as of the last update on 2012-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.