NPPES file of Aug 9, 2026

Joshua Peterson, D.O

Family Medicine Physician · Slinger, WI

Joshua Peterson, D.O is a family medicine physician with a practice address in Slinger, Wisconsin, and NPI 1578723318, issued on Jun 16, 2008. Check the license (Wisconsin 64669, 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
1578723318
Name
Joshua Peterson
Credential
D.O
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
64669 WI
C2-0009791 DE
OS015636 PA
Self-reported in NPPES; status is on the state search
Practice location
1061 E Commerce Blvd, Slinger, WI 53086
Phone
(262) 644-2900
Enumerated
Jun 16, 2008
Record last updated
Sep 8, 2022
Medicare enrollment
Enrolled (PECOS I20151216000692); accepts Medicare assignment
Medical or professional school
Kansas City University Of Physicians And Surgeons, 2008
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 1061 E Commerce Blvd

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

  1. Fatima AzizObstetrics & Gynecology Physician1154736874
  2. Stacey Brandt, NPNurse Practitioner1902372444
  3. Deann Campbell, PAPhysician Assistant1477502920
  4. Elizabeth CookDermatology Physician1922637438
  5. Edmund Fernandez, MDFamily Medicine Physician1669587739
  6. Melissa Folstad, MDFamily Medicine Physician1619505963

Verify Joshua Peterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 64669
    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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93% more Medicare Part D claims than the average family medicine physician in 2024

6,829 Medicare Part D claims for 434 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. 63 claims were for opioids.

  1. Joshua Peterson6,829
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium556 claims
  2. Losartan Potassium363 claims
  3. Amlodipine Besylate301 claims
  4. Levothyroxine Sodium285 claims
  5. Metformin Hcl206 claims
  6. Lisinopril204 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. Aurora Advanced Healthcare, Inc.Slinger, WI

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

4 family medicine physician records list a practice address in Slinger

They are 4 of the 70 NPPES records with a practice address in Slinger, and 3,765 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ashraf AbbasAppleton, WI1558723775
  2. Ghudran Abdulal, MDNew Berlin, WI1083622666
  3. Yusuf Abdullah, DOSun Prairie, WI1437788478
  4. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  5. Emily Abeyta, MDWaukesha, WI1386905107
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Joshua Peterson, D.O's NPI number?

Joshua Peterson, D.O's National Provider Identifier (NPI) is 1578723318, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Peterson, D.O located?

The NPPES record lists a practice address at 1061 E Commerce Blvd, Slinger, WI, 53086. Phone: (262) 644-2900. Providers update this record themselves, so call before visiting.

How can I verify Joshua Peterson, D.O's license?

NPPES lists Wisconsin license number 64669, 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 Joshua Peterson, D.O prescribe under Medicare Part D?

In 2024, Joshua Peterson, D.O had 6,829 Medicare Part D claims for 434 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.