Mark R. Druffner, MD
Family Medicine Physician · Amery, WI
Mark R. Druffner, MD is a family medicine physician with a practice address in Amery, Wisconsin, and NPI 1154392447, issued on Jan 27, 2006. Check the license (Wisconsin 39223, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark R. Druffner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 39223 WI
36268 MN
Self-reported in NPPES; status is on the state search - Practice location
- 265 Griffin St E, Amery, WI 54001
- Phone
- (715) 268-8000
- Enumerated
- Jan 27, 2006
- Record last updated
- May 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 32406100 WI
- Medicare enrollment
- Enrolled (PECOS I20110615000058); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1991
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 265 Griffin St E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Albano, D.O.Family Medicine Physician1619362142
- Nathan Anderson, M.D.Emergency Medicine Physician1568429645
- Lynnette Barrineau, MDFamily Medicine Physician1760429443
- Matthew Bogan, M.D.Emergency Medicine Physician1689088387
- Cheryl Buechner, PHD., LPClinical Psychologist1669520151
- Jonathan Burns, DOEmergency Medicine Physician1154459105
Verify Mark R. Druffner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average family medicine physician in 2024
3,719 Medicare Part D claims for 341 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium157 claims
- Rosuvastatin Calcium151 claims
- Omeprazole147 claims
- Amlodipine Besylate142 claims
- Metoprolol Succinate141 claims
- Losartan Potassium133 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Baldwin Area Medical Center IncBaldwin, WI
- Hudson Physicians SCHudson, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Druffner among 3,765 family medicine physician records in Wisconsin
Mark R. Druffner, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1991 · median 2007 among the 2,347 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 family medicine physician records list a practice address in Amery
They are 19 of the 193 NPPES records with a practice address in Amery, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Amery → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Albano, D.O.Amery, WI 540011619362142
- Lynnette Barrineau, MDAmery, WI 540011760429443
- Danielle Busse-Quenan, DOAmery, WI 540011750348470
- Kelsey Demars, MDAmery, WI 540011720465107
- Lisa Hatcher, M.D.Amery, WI 540011932164621
- Patrick Hedlund, M.D.Amery, WI 540011194836510
- Craig Johnson, MDAmery, WI 540011194720813
- Kevin Klein, MDAmery, WI 540011124120431
Common questions
What is Mark R. Druffner, MD's NPI number?
Mark R. Druffner, MD's National Provider Identifier (NPI) is 1154392447, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Druffner, MD located?
The NPPES record lists a practice address at 265 Griffin St E, Amery, WI, 54001. Phone: (715) 268-8000. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Druffner, MD's license?
NPPES lists Wisconsin license number 39223, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark R. Druffner, MD prescribe under Medicare Part D?
In 2024, Mark R. Druffner, MD had 3,719 Medicare Part D claims for 341 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.