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Critical Care (Intensivists)

Jessica A. Zenga, MD

Works at hospitals in Milwaukee, WI · Wisconsin

Summary

Dr. Jessica A. Zenga, MD is a critical care doctor at 8701 W Watertown Plank, Milwaukee, WI 53226. Phone: (414) 805-3666. Accepts Medicare assignment. In 2024, Jessica A. Zenga had 83 Original Medicare patients and 95 services. NPI 1740490697. 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.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 8701 W Watertown Plank, Milwaukee, WI 53226 · Directions (1 more location)
  • Phone: (414) 805‑3666
  • Medicare: Accepts Medicare assignment
  • Hospital: Froedtert Memorial Lutheran Hospital
  • Group practice: The Medical College of Wisconsin Inc
  • Medical school: Saint Louis University School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica A. Zenga, 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 Jessica A. Zenga accept Medicare assignment?
Yes. Medicare's clinician data says Jessica A. Zenga 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 Jessica A. Zenga see?
In 2024, CMS data shows 83 Original Medicare patients and 95 services for Jessica A. Zenga. This counts Original Medicare only and measures volume, not quality.
What is Jessica A. Zenga's NPI number?
1740490697. 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 Jessica A. Zenga, 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 patients83
Services billed to Medicare95
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for lens surgery (00142)26 services
  2. Anesthesia for other procedure on eye (00140)21 services
  3. Anesthesia for procedure on eyelid (00103)12 services
  4. Anesthesia for retinal surgery (00145)11 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 blood pressure73%
  • High cholesterol70%
  • Arthritis40%
  • Diabetes37%
  • Chronic kidney disease34%
  • Ischemic heart disease33%

Hospitals where Jessica A. Zenga works

Medicare's Facility Affiliation Data lists Jessica A. Zenga 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 Jessica A. Zenga is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessica A. Zenga as a member of this group (CMS data updated October 2, 2026).

  • The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Wisconsin →

Other critical care doctors in Milwaukee

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

All critical care doctors in Milwaukee →

Other clinicians in The Medical College of Wisconsin Inc

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740490697
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