Abby R. Lochmann-Bailkey, MD

Medicare activity in 2024

Official CMS public-use data for Abby R. Lochmann-Bailkey, 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. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)163 services
2. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)156 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)57 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)42 services
5. Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm (43249)37 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 cholesterol71%
• High blood pressure64%
• Arthritis37%
• Depression29%
• Anxiety28%
• Diabetes26%

Hospitals where Abby R. Lochmann-Bailkey works

Medicare's Facility Affiliation Data lists Abby R. Lochmann-Bailkey 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.

• SSM Health St Mary's Hospital - JanesvilleJanesville, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520208
• SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520083
• Upland Hills HealthDodgeville, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521352

Practice locations

Addresses where Abby R. Lochmann-Bailkey is enrolled with Medicare (CMS data updated October 2, 2026).

• 700 S Park St, Suite AMadison, WI 53715 (608) 260‑2900

Group practices

Medicare enrollment lists Abby R. Lochmann-Bailkey as a member of this group (CMS data updated October 2, 2026).

• Dean Health Systems Inc1,159 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Madison

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

• Harsh C. Patel, MD
• Marmy Shah, MD
• Naree K. Whang, MD
• Arnold Wald, MD
• Freddy Caldera Jr., DO
• Mansoor Shariff, MD
• Praveena Narayanan, MD
• Anurag Soni, MD

All gastroenterologists in Madison →

Other clinicians in Dean Health Systems Inc

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

• Valery Hrad, MD
• Courtney C. Bednarczyk
• Eric M. Hofmann, CNA
• Carrie A. Jaszewski, CNA
• Rose A. Silveira, CNA
• Karel T. Valenta, 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