Andrew Van Wieren, M.D.
NPI 1639463532 · Internal Medicine Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1639463532
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036134500 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 51 | 20 |
| Atorvastatin Calcium | 42 | 20 |
| Losartan Potassium | 35 | 13 |
| Metformin Hcl | 33 | — |
| Rosuvastatin Calcium | 23 | — |
| Metoprolol Succinate | 22 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (2)
- 2001 S California AveChicago, IL 60608-2486Phone: (773) 584-6200
- 75 Francis StBoston, MA 02115-6110Phone: (617) 732-5500
Registry dates
- Enumerated
- 2011-06-08
- Last updated
- 2022-03-09
- Certified
- 2022-02-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.