Jennifer M. Weiss, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer M. Weiss, 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.

Most frequent services

1. Biopsy of large bowel using a flexible endoscope (45380)17 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)13 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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 pressure65%
• High cholesterol63%
• Arthritis45%
• Anxiety40%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)37%
• Depression31%

Hospitals where Jennifer M. Weiss works

Medicare's Facility Affiliation Data lists Jennifer M. Weiss 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.

• University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520098

Practice locations

Addresses where Jennifer M. Weiss is enrolled with Medicare (CMS data updated October 2, 2026).

• 750 University RowMadison, WI 53705 (608) 890‑5000

Group practices

Medicare enrollment lists Jennifer M. Weiss as a member of this group (CMS data updated October 2, 2026).

• University of Wisconsin Medical Foundation Inc2,553 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Madison

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

• Deepak V. Gopal, MD
• Jessica A. Musto, MD
• Praveena Narayanan, MD
• Geoffrey K. Dang-Vu, MD
• Gabriela C. Lobato, MD
• Rodrigo A. Castillo, MD
• John B. Williams, MD
• Peter Stadmeyer, MD

All gastroenterologists in Madison →

Other clinicians in University of Wisconsin Medical Foundation Inc

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

• Vanessa M. Welten, MD
• Kristin I. Harkins, NP
• Eva M. Schill, NP
• Shawn L. Drulia
• Ann P. O'Rourke, MD
• Chris Konstantinou, MD

Clinician information

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