Andrew Chiu
NPI 1841239407 · Cardiovascular Disease Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Chiu is a Cardiovascular Disease Physician provider in Duluth, MN (NPI 1841239407).
Provider details
- NPI number
- 1841239407
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 35123 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
452 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 133 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $135 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 38 | $8 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 35 | $7 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 35 | $3 |
| Ultrasound of Heart With Probe in Esophagus, With Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 215 | 75 |
| Atorvastatin Calcium | 126 | 40 |
| Rosuvastatin Calcium | 106 | 35 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 102 | 30 |
| Apixabanbrand: Eliquis | 93 | 20 |
| Rivaroxabanbrand: Xarelto | 72 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2011-05-05
Frequently asked questions
- What is Andrew Chiu's NPI number?
- Andrew Chiu's National Provider Identifier (NPI) is 1841239407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Chiu's specialty?
- Andrew Chiu is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Chiu located?
- Andrew Chiu's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.
- What is Andrew Chiu's phone number?
- The practice phone number listed in the NPPES registry for Andrew Chiu is (218) 786-3443.
- Does Andrew Chiu accept Medicare?
- Andrew Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Chiu's NPI active?
- Yes — Andrew Chiu's NPI (1841239407) is active in the NPPES registry as of the last update on 2011-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.