Nathan Mustain, M.D.
NPI 1285078741 · Family Medicine Physician · Holmen, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Mustain, M.D. is a Family Medicine Physician provider in Holmen, WI (NPI 1285078741).
Provider details
- NPI number
- 1285078741
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 65954-20 (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
13 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
848 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 131 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 110 | $86 |
| Administration of Influenza Virus VaccineG0008 | 69 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $168 |
| Admn Sarscov2 Vacc 1 Dose90480 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 154 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 519 | 157 |
| Amlodipine Besylate | 286 | 95 |
| Metoprolol Succinate | 235 | 76 |
| Omeprazole | 231 | 68 |
| Losartan Potassium | 216 | 59 |
| Rosuvastatin Calcium | 205 | 54 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-26
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Nathan Mustain's NPI number?
- Nathan Mustain's National Provider Identifier (NPI) is 1285078741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Mustain's specialty?
- Nathan Mustain is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Mustain located?
- Nathan Mustain's practice location on file with NPPES is 500 N Holmen Dr, Holmen, WI 54636-9350.
- What is Nathan Mustain's phone number?
- The practice phone number listed in the NPPES registry for Nathan Mustain is (608) 399-3091.
- Does Nathan Mustain accept Medicare?
- Nathan Mustain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Mustain's NPI active?
- Yes — Nathan Mustain's NPI (1285078741) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.