Mark Druffner, MD
NPI 1154392447 · Family Medicine Physician · Amery, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Druffner, MD is a Family Medicine Physician provider in Amery, WI (NPI 1154392447).
Provider details
- NPI number
- 1154392447
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36268 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,414 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 | 252 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 175 | $8 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 136 | $59 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 106 | $8 |
| Hemoglobin A1c Level83036 | 104 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 157 | 44 |
| Rosuvastatin Calcium | 151 | 51 |
| Omeprazole | 147 | 53 |
| Amlodipine Besylate | 142 | 38 |
| Metoprolol Succinate | 141 | 41 |
| Losartan Potassium | 133 | 42 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (3)
- 927 Churchill St WStillwater, MN 55082-6605Phone: (651) 439-5330
- 403 Stageline RdHudson, WI 54016Phone: (715) 531-6800Fax: (715) 531-6801
- 535 Hospital RdNew Richmond, WI 54017-1449Phone: (715) 243-2600
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2019-05-10
Frequently asked questions
- What is Mark Druffner's NPI number?
- Mark Druffner's National Provider Identifier (NPI) is 1154392447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Druffner's specialty?
- Mark Druffner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Druffner located?
- Mark Druffner's practice location on file with NPPES is 265 Griffin St E, Amery, WI 54001-1439.
- What is Mark Druffner's phone number?
- The practice phone number listed in the NPPES registry for Mark Druffner is (715) 268-8000.
- Does Mark Druffner accept Medicare?
- Mark Druffner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Druffner's NPI active?
- Yes — Mark Druffner's NPI (1154392447) is active in the NPPES registry as of the last update on 2019-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.