Ann M. Zellner, MD
Family Medicine Physician · De Pere, WI
Ann M. Zellner, MD is a family medicine physician with a practice address in De Pere, Wisconsin, and NPI 1902127327, issued on Jun 21, 2010. Check the license (Wisconsin 64207-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ann M. Zellner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 64207-20 WI
P3802 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3860 Monroe RD, De Pere, WI 54115
- Phone
- (920) 496-4700
- Enumerated
- Jun 21, 2010
- Record last updated
- Sep 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (920) 496-4700
- Medicare enrollment
- Enrolled (PECOS I20160921002948); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 3860 Monroe RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathleen Barrow, MS, LMFTMarriage & Family Therapist1144679481
- Lauren Bellin, APSWClinical Social Worker1467386193
- Dan Braaten, LMFT, SACMarriage & Family Therapist1053477158
Verify Ann M. Zellner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64207-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average family medicine physician in 2024
6,007 Medicare Part D claims for 488 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium348 claims
- Levothyroxine Sodium340 claims
- Losartan Potassium288 claims
- Amlodipine Besylate231 claims
- Sertraline Hcl230 claims
- Simvastatin211 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.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisDe Pere, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann M. Zellner among 3,765 family medicine physician records in Wisconsin
Ann M. Zellner, 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 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2010 · median 2007 among the 2,347 with a school on file
- Record last updated2016 · 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).
29 family medicine physician records list a practice address in De Pere
They are 29 of the 621 NPPES records with a practice address in De Pere, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in De Pere → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Asma, MDDe Pere, WI 541151639103187
- Michael Hodulik, M.D.De Pere, WI 541151295784544
- James Joyce, MDDe Pere, WI 541151326017724
- Cynthia Lasecki, MDDe Pere, WI 541151871577577
- Gary Leong, MDDe Pere, WI 541151801870514
- Kristen Lindgren, MDDe Pere, WI 541151740214022
- Michael Meyer, MDDe Pere, WI 541151487639761
- Steven Novotny, MDDe Pere, WI 541151427032069
Common questions
What is Ann M. Zellner, MD's NPI number?
Ann M. Zellner, MD's National Provider Identifier (NPI) is 1902127327, issued on Jun 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ann M. Zellner, MD located?
The NPPES record lists a practice address at 3860 Monroe RD, De Pere, WI, 54115. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.
How can I verify Ann M. Zellner, MD's license?
NPPES lists Wisconsin license number 64207-20, 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 Ann M. Zellner, MD prescribe under Medicare Part D?
In 2024, Ann M. Zellner, MD had 6,007 Medicare Part D claims for 488 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ann M. Zellner, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.