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Anesthesiology

Timothy J. Lazicki, DO

Works at hospitals in Baraboo, WI · Janesville, WI · Madison, WI · Wisconsin

Summary

Dr. Timothy J. Lazicki, DO is an anesthesiologist at 700 S Park St, Madison, WI 53715. Phone: (608) 251-6100. Accepts Medicare assignment. In 2024, Timothy J. Lazicki had 395 Original Medicare patients and 688 services. NPI 1538554910. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy J. Lazicki, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Timothy J. Lazicki accept Medicare assignment?
Yes. Medicare's clinician data says Timothy J. Lazicki accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Timothy J. Lazicki see?
In 2024, CMS data shows 395 Original Medicare patients and 688 services for Timothy J. Lazicki. This counts Original Medicare only and measures volume, not quality.
What is Timothy J. Lazicki's NPI number?
1538554910. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Timothy J. Lazicki, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients395
Services billed to Medicare688
Different services or procedures97
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ultrasonic guidance for blood vessel access (76937)65 services
  2. Insertion of artery tube for blood sampling or infusion through skin (36620)56 services
  3. Ultrasound of heart with probe in esophagus, with report (93312)37 services
  4. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)37 services
  5. Ultrasound of heart blood flow, valves and chambers (93320)36 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Arthritis45%
  • Ischemic heart disease35%
  • Atrial fibrillation34%
  • Diabetes33%

Hospitals where Timothy J. Lazicki works

Medicare's Facility Affiliation Data lists Timothy J. Lazicki at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Timothy J. Lazicki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Timothy J. Lazicki as a member of this group (CMS data updated October 2, 2026).

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other Anesthesiology doctors in Wisconsin →

Other anesthesiologists in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All anesthesiologists in Madison →

Other clinicians in Dean Health Systems Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538554910
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians