NPPES file of Aug 9, 2026

Joseph A. Dietzler, MD

Family Medicine Physician · New Richmond, WI

Joseph A. Dietzler, MD is a family medicine physician with a practice address in New Richmond, Wisconsin, and NPI 1760450456, issued on Mar 9, 2006. Check the license (Wisconsin 48541, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760450456
Name
Joseph A. Dietzler
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
48541 WI
Self-reported in NPPES; status is on the state search
Practice location
525 N Knowles Ave, New Richmond, WI 54017
Phone
(715) 531-6800
Enumerated
Mar 9, 2006
Record last updated
May 31, 2023
Fax
(715) 531-6801
Medicare enrollment
Enrolled (PECOS I20070822001523); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 525 N Knowles Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephen Harrold, MDFamily Medicine Physician1871575167
  2. Annabelle Schutte, DPTPhysical Therapist1265268130
  3. Alpana Tiwari, M.D.Family Medicine Physician1427224971

Verify Joseph A. Dietzler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 48541
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% fewer Medicare Part D claims than the average family medicine physician in 2024

1,990 Medicare Part D claims for 241 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Joseph Dietzler1,990
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium78 claims
  2. Metoprolol Succinate72 claims
  3. Amlodipine Besylate70 claims
  4. Metformin Hcl Er70 claims
  5. Lisinopril66 claims
  6. Losartan Potassium64 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 one group practice

  1. Hudson Physicians SCNew Richmond, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph A. Dietzler among 3,765 family medicine physician records in Wisconsin

Joseph A. Dietzler, 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
  • Graduated2004 · median 2007 among the 2,347 with a school on file
  • Record last updated2023 · 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).

24 family medicine physician records list a practice address in New Richmond

They are 24 of the 276 NPPES records with a practice address in New Richmond, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lavanya Bhoopathy, MDNew Richmond, WI 540171891027884
  2. Angela Brandes, MDNew Richmond, WI 540171073791703
  3. David Degear, M.D.New Richmond, WI 540171144202425
  4. Bruce Hanson, MDNew Richmond, WI 540171306829387
  5. Stephen Harrold, MDNew Richmond, WI 540171871575167
  6. Betsy Manor, MDNew Richmond, WI 540171134208820
  7. Allen Medini, MDNew Richmond, WI 540171376525246
  8. Taylor Neff, MDNew Richmond, WI 540171780751834

Common questions

What is Joseph A. Dietzler, MD's NPI number?

Joseph A. Dietzler, MD's National Provider Identifier (NPI) is 1760450456, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph A. Dietzler, MD located?

The NPPES record lists a practice address at 525 N Knowles Ave, New Richmond, WI, 54017. Phone: (715) 531-6800. Providers update this record themselves, so call before visiting.

How can I verify Joseph A. Dietzler, MD's license?

NPPES lists Wisconsin license number 48541, 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 Joseph A. Dietzler, MD prescribe under Medicare Part D?

In 2024, Joseph A. Dietzler, MD had 1,990 Medicare Part D claims for 241 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.