Samuel Choi, MD
NPI 1083104491 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Choi, MD is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1083104491).
Provider details
- NPI number
- 1083104491
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 102532 (WI)
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
14 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 14 | $10 |
Typical Medicare-allowed amounts for these services range $10–$10 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 200 | 55 |
| Lisinopril | 149 | 34 |
| Amlodipine Besylate | 143 | 41 |
| Rosuvastatin Calcium | 121 | 37 |
| Pantoprazole Sodium | 105 | 30 |
| Semaglutidebrand: Ozempic | 102 | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 20 York StreetYnhh Internal MedicineNew Haven, CT 06510-3220Phone: (203) 688-4242
Registry dates
- Enumerated
- 2018-05-11
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Samuel Choi's NPI number?
- Samuel Choi's National Provider Identifier (NPI) is 1083104491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Choi's specialty?
- Samuel Choi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Choi located?
- Samuel Choi's practice location on file with NPPES is 3003 W Good Hope Rd, Milwaukee, WI 53209-2042.
- What is Samuel Choi's phone number?
- The practice phone number listed in the NPPES registry for Samuel Choi is (414) 352-3100.
- Does Samuel Choi accept Medicare?
- Samuel Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Choi's NPI active?
- Yes — Samuel Choi's NPI (1083104491) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.