Stephen Billion, M.D.
NPI 1497790984 · Internal Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1497790984
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1618 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Acetic Acid | 27 |
| Donepezil Hcl | 25 |
| Furosemide | 25 |
| Levothyroxine Sodium | 13 |
| Insulin Lisprobrand: Humalog Kwikpen U-100 | 13 |
| Pantoprazole Sodium | 12 |
| Ropinirole Hcl | 12 |
| Lamotrigine | 12 |
| Levetiracetam | 12 |
| Hydroxychloroquine Sulfate | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2022-04-15
- Certified
- 2022-04-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.