NPPES file of Aug 9, 2026

Joanne Renelle Brooks, M.D.

Family Medicine Physician · Brookfield, WI

Joanne Renelle Brooks, M.D. is a family medicine physician with a practice address in Brookfield, Wisconsin, and NPI 1922037241, issued on Jun 30, 2006. Check the license (Wisconsin 40312-020, 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
1922037241
Name
Joanne Renelle Brooks
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
40312-020 WI
Self-reported in NPPES; status is on the state search
Practice location
2085 N Calhoun RD, Brookfield, WI 53005
Phone
(262) 928-7100
Enumerated
Jun 30, 2006
Record last updated
Apr 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
34660900 WI
Medicare enrollment
Enrolled (PECOS I20050822001377); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1997
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 2085 N Calhoun RD

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

  1. Mark Dorow, M.D.Family Medicine Physician1457323099
  2. Patricia MarrariRegistered Dietitian1992002422
  3. Sherry Prowatzke, M.D.Obstetrics & Gynecology Physician1639196611
  4. John Smolik, M.D.Family Medicine Physician1245203710

Verify Joanne Renelle Brooks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 40312-020
    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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39% more Medicare Part D claims than the average family medicine physician in 2024

4,940 Medicare Part D claims for 489 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 79 claims were for opioids.

  1. Joanne Brooks4,940
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium293 claims
  2. Levothyroxine Sodium253 claims
  3. Losartan Potassium237 claims
  4. Lisinopril214 claims
  5. Amlodipine Besylate204 claims
  6. Simvastatin196 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. Prohealth Medical Group IncBrookfield, WI

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

Joanne Renelle Brooks among 3,765 family medicine physician records in Wisconsin

Joanne Renelle Brooks, M.D. 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
  • Graduated1997 · median 2007 among the 2,347 with a school on file
  • Record last updated2012 · 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).

33 family medicine physician records list a practice address in Brookfield

They are 33 of the 2,036 NPPES records with a practice address in Brookfield, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jacquelyn Dinusson, MDBrookfield, WI 530051649221722
  2. Mark Dorow, M.D.Brookfield, WI 530051457323099
  3. Joanne Hill, MDBrookfield, WI 530051639121429
  4. Niel Johnson, MDBrookfield, WI 530051649233255
  5. Lowell Keppel, M.D.Brookfield, WI 530051730177353
  6. Jose Leiva, MDBrookfield, WI 530051962496760
  7. Joseph Maier, MDBrookfield, WI 530051770550139
  8. Sharniecia Norman, MDBrookfield, WI 530051538112289

Common questions

What is Joanne Renelle Brooks, M.D.'s NPI number?

Joanne Renelle Brooks, M.D.'s National Provider Identifier (NPI) is 1922037241, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Renelle Brooks, M.D. located?

The NPPES record lists a practice address at 2085 N Calhoun RD, Brookfield, WI, 53005. Phone: (262) 928-7100. Providers update this record themselves, so call before visiting.

How can I verify Joanne Renelle Brooks, M.D.'s license?

NPPES lists Wisconsin license number 40312-020, 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 Joanne Renelle Brooks, M.D. prescribe under Medicare Part D?

In 2024, Joanne Renelle Brooks, M.D. had 4,940 Medicare Part D claims for 489 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.