NPPES file of Aug 9, 2026

Bridget K. Lenz, MD

Family Medicine Physician · Mukwonago, WI

Bridget K. Lenz, MD is a family medicine physician with a practice address in Mukwonago, Wisconsin, and NPI 1366521510, issued on Nov 6, 2006. Check the license (Wisconsin 49786-020, 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
1366521510
Name
Bridget K. Lenz
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
49786-020 WI
Self-reported in NPPES; status is on the state search
Practice location
240 Maple Ave, Mukwonago, WI 53149
Phone
(262) 928-1900
Enumerated
Nov 6, 2006
Record last updated
Apr 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
34738100 WI
Medicare enrollment
Enrolled (PECOS I20070126000492); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2005
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 240 Maple Ave

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

  1. Muhammad Ahmad, M.D.Family Medicine Physician1164731923
  2. Laura Brandt, PTPhysical Therapist1528820701
  3. Crysta Clark, DPTPhysical Therapist1992315287
  4. Kirsten Collins, NPFamily Nurse Practitioner1417501065
  5. Kathryn Craig, OTROccupational Therapist1447832324
  6. Nicole Fischer, APNPFamily Nurse Practitioner1386207843

Verify Bridget K. Lenz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 49786-020
    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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2.2 times the Medicare Part D claims of the average family medicine physician in 2024

7,861 Medicare Part D claims for 554 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. 289 claims were for opioids.

  1. Bridget Lenz7,861
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium496 claims
  2. Levothyroxine Sodium310 claims
  3. Lisinopril291 claims
  4. Losartan Potassium273 claims
  5. Amlodipine Besylate265 claims
  6. Pantoprazole Sodium215 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 IncMukwonago, WI

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

Bridget K. Lenz among 3,765 family medicine physician records in Wisconsin

Bridget K. Lenz, 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
  • Graduated2005 · 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).

20 family medicine physician records list a practice address in Mukwonago

They are 20 of the 198 NPPES records with a practice address in Mukwonago, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Darren Ellenbolt, M.D.Mukwonago, WI 531491700855012
  2. Steven Fehr, M.D.Mukwonago, WI 531491104899277
  3. Jeffrey Gentile, MDMukwonago, WI 531491699861021
  4. Steven Hammer, M.D.Mukwonago, WI 531491134192198
  5. Daniel Johnson, M.D.Mukwonago, WI 531491225001225
  6. Ruth Lindberg, M.D.Mukwonago, WI 531491538177886
  7. Steven Meisner, M.D.Mukwonago, WI 531491073586046
  8. Linda Meyer, DOMukwonago, WI 531491326095308

Common questions

What is Bridget K. Lenz, MD's NPI number?

Bridget K. Lenz, MD's National Provider Identifier (NPI) is 1366521510, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bridget K. Lenz, MD located?

The NPPES record lists a practice address at 240 Maple Ave, Mukwonago, WI, 53149. Phone: (262) 928-1900. Providers update this record themselves, so call before visiting.

How can I verify Bridget K. Lenz, MD's license?

NPPES lists Wisconsin license number 49786-020, 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 Bridget K. Lenz, MD prescribe under Medicare Part D?

In 2024, Bridget K. Lenz, MD had 7,861 Medicare Part D claims for 554 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.