Stephen Holthaus, MD
NPI 1386756732 · Family Medicine Physician · Rice Lake, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Holthaus, MD is a Family Medicine Physician provider in Rice Lake, WI (NPI 1386756732).
Provider details
- NPI number
- 1386756732
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40336 (WI)
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
19 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 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 460 | 121 |
| Lisinopril | 233 | 67 |
| Amlodipine Besylate | 231 | 69 |
| Omeprazole | 196 | 53 |
| Losartan Potassium | 196 | 61 |
| Metoprolol Tartrate | 181 | 42 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2009-09-02
Frequently asked questions
- What is Stephen Holthaus's NPI number?
- Stephen Holthaus's National Provider Identifier (NPI) is 1386756732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Holthaus's specialty?
- Stephen Holthaus is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Holthaus located?
- Stephen Holthaus's practice location on file with NPPES is 1700 W Stout St, Rice Lake, WI 54868-5000.
- What is Stephen Holthaus's phone number?
- The practice phone number listed in the NPPES registry for Stephen Holthaus is (715) 236-8100.
- Does Stephen Holthaus accept Medicare?
- Stephen Holthaus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Holthaus's NPI active?
- Yes — Stephen Holthaus's NPI (1386756732) is active in the NPPES registry as of the last update on 2009-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.