Dr. Timothy B. Lesage, MD

  • Kenosha, WI
  • General surgeon
NPI1518074962PAC ID5294838751
Medicare services, 2024
447
Medicare patients, 2024
301
Part D claims, 2024
332
Hospital affiliations
5
Industry payments
$10,103
Practice address
10400 75th St, Kenosha, WI 53142
Practice phone
Call (262) 948-5600
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Aurora Medical Center - Kenosha

Hospital · Kenosha, Wisconsin

See all 8 affiliations

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Dr. Timothy B. Lesage is a general surgeon in Kenosha, Wisconsin

Dr. Lesage practices at Aurora Medical Center - Kenosha in Kenosha, Wisconsin, part of Advocate Health.

Dr. Lesage's NPI, 1518074962, was assigned on August 23, 2006. Dr. Lesage graduated from University of Wisconsin School of Medicine in 1995. Dr. Lesage holds Wisconsin license 41933.

NPI and contact details
Medicare PAC ID
5294838751
NPI enumeration date
August 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(262) 948-5600
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy B. Lesage practices at Aurora Medical Center - Kenosha in Kenosha, Wisconsin

Dr. Lesage's primary practice is Aurora Medical Center - Kenosha, at 10400 75th St, Kenosha, WI 53142 in Kenosha County. The practice phone is (262) 948-5600.

Source: Dmand AI Affiliation Data

Dr. Timothy B. Lesage is affiliated with 7 sites of care and 1 medical group

Dr. Lesage's primary practice is Aurora Medical Center - Kenosha in Kenosha, Wisconsin, part of Advocate Health. Dr. Lesage is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is Aurora Medical Group. Dmand AI also links Dr. Lesage to 3 more hospitals, 1 group practice or clinic and 1 therapy and rehab clinic, each named with a free account.

See all 8 affiliations for Dr. Lesage

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Timothy B. Lesage's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lesage practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Aurora Medical Center - KenoshaAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy B. Lesage is one of 565 general surgeons in Wisconsin

Surgery is Dr. Lesage's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lesage is licensed in Wisconsin.

Specialties and state licenses

  • Surgery, WisconsinPrimaryLicense 41933 · taxonomy 208600000X

General surgeons near Dr. Lesage

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Timothy B. Lesage billed Medicare for 447 services in 2024

CMS data shows 447 Medicare services from Dr. Lesage across 10 procedure codes in 2024, for 301 Medicare patients. Medicare paid $53,119 for them.

Medicare services, 2024447
Medicare patients301
Paid by Medicare$53,119
Procedure codes10

Dr. Lesage's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4032024: 4358%
Surgery
2023: 492024: 1276%

Where Dr. Lesage's Medicare services took place, 2024

  • In an office26860%
  • In a facility17940%

Dr. Lesage compared with the Wisconsin median for general surgeons, 2024

  • Dr. Lesage
  • Wisconsin median
Medicare services
447vs 994.5 times
Medicare patients
301vs 1003.0 times
Part D claims
233vs 376.3 times

Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.

Dr. Lesage's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lesage

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Timothy B. Lesage treated 301 Medicare patients in 2024, average age 73

CMS counts 301 Medicare patients who saw Dr. Lesage in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lesage's median patient age at 74, with 40% women.

Medicare patients, 2024301
Average age73
Average risk score2.84
Also on Medicaid21%

Dr. Lesage's Medicare patients by age, 2024

Dr. Lesage's Medicare patients by sex, 2024

  • Women12642%
  • Men17558%

Chronic conditions among Dr. Lesage's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Chronic kidney disease50%
  5. Ischemic heart disease48%
  6. Diabetes42%
  7. Mood disorders35%
  8. COPD34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lesage's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women40%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy B. Lesage wrote 332 Medicare Part D claims in 2024

In 2024, Dr. Lesage wrote 332 Medicare Part D claims for 97 patients. 98% of them were for generic drugs. CMS names the drug for 233 of them, across 7 drugs with 11 or more claims each, at $2,852 in total drug cost. In 2023, CMS named 129 claims across 5 drugs.

Part D claims, 2024332
Drugs named by CMS7
Total drug cost$2,852
Part D patients97

Dr. Lesage's Part D claims by kind of drug, 2024

  • Generic326 claims98%
  • Brand-name and other6 claims2%

Dr. Lesage's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Lesage's Part D claims, 2024

  • Opioids14%45 of 332 claims
  • Antibiotics4%14 of 332 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1292024: 23381%

Drugs named by CMS: 7 in 2024, 5 in 2023.

See all prescribing by Dr. Lesage

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Timothy B. Lesage ranks in the 72nd percentile for leg revascularization (restoring blood flow) in Medicare

Dr. Lesage accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of leg revascularization (restoring blood flow) by Dr. Lesage, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Lesage ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
72nd percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Timothy B. Lesage received $10,103 in industry payments from 2016 to 2025

CMS Open Payments shows 157 general payments to Dr. Lesage from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 46% of the total. Intuitive Surgical, Inc. paid the most, $5,155.

General payments to Dr. Lesage by program year, 2016 to 2025

General payments to Dr. Lesage by kind, 2016 to 2025

$10.1Kin total
  • Food and beverage$4,62346%
  • Travel and lodging$3,42934%
  • Education$2,00020%
  • Entertainment$511%

Companies that paid Dr. Lesage the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lesage

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy B. Lesage graduated from University of Wisconsin School of Medicine

Dr. Lesage graduated from University of Wisconsin School of Medicine in 1995.

  1. Medical schoolUniversity of Wisconsin School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Timothy B. Lesage's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy B. Lesage

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Timothy B. Lesage's NPI number?

Dr. Timothy B. Lesage's NPI number is 1518074962. It was assigned on August 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy B. Lesage?

Dr. Timothy B. Lesage is a general surgeon in Kenosha, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Timothy B. Lesage practice?

Dr. Lesage practices at 10400 75th St, Kenosha, WI 53142. Dr. Lesage's primary practice is Aurora Medical Center - Kenosha in Kenosha, Wisconsin, part of Advocate Health. Dmand AI also links Dr. Lesage to 3 hospitals, 1 group practice or clinic and 1 therapy and rehab clinic.

What is Dr. Timothy B. Lesage's office phone number?

The practice phone on file for Dr. Lesage is (262) 948-5600.

What is Dr. Timothy B. Lesage's medical license number?

Dr. Lesage holds Wisconsin license 41933.

Which hospitals is Dr. Timothy B. Lesage affiliated with?

Dr. Lesage practices at Aurora Medical Center - Kenosha in Kenosha, Wisconsin. Dr. Lesage is also affiliated with Aurora St. Luke's Medical Center. Dmand AI links Dr. Lesage to 3 more hospitals.

What medical group is Dr. Timothy B. Lesage part of?

Dr. Lesage is linked to Aurora Medical Group.

Does Dr. Timothy B. Lesage accept Medicare?

Yes. CMS data shows Dr. Lesage billed Medicare for 447 services in 2024, and Dr. Lesage accepts Medicare assignment.

How many Medicare patients does Dr. Timothy B. Lesage see?

CMS counts 301 Medicare patients who saw Dr. Lesage in 2024, with an average age of 73.

What services does Dr. Timothy B. Lesage bill to Medicare?

In 2024, Dr. Lesage's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99223) and office visit, established patient (99213).

Show 4 more questionsShow fewer questions

Where did Dr. Timothy B. Lesage go to medical school?

Dr. Lesage graduated from University of Wisconsin School of Medicine in 1995.

What drugs does Dr. Timothy B. Lesage prescribe most?

In 2024 Medicare Part D data, Dr. Lesage's most prescribed drugs by claims were Clopidogrel, Cilostazol and Gabapentin.

Has Dr. Timothy B. Lesage received payments from drug or device companies?

CMS Open Payments shows $10,103 in general payments to Dr. Lesage from 25 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Timothy B. Lesage been practicing?

Dr. Lesage graduated from medical school in 1995, 31 years ago.

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