Jane Claire Williams, MD

Medicare activity in 2024

Official CMS public-use data for Jane Claire Williams, 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. Injection, vedolizumab, intravenous, 1 mg (J3380)9,300 services
2. Injection, infliximab, excludes biosimilar, 10 mg (J1745)3,037 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)176 services
4. Biopsy of large bowel using a flexible endoscope (45380)147 services
5. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)135 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 pressure75%
• High cholesterol73%
• Arthritis53%
• Anxiety33%
• Diabetes32%
• Ischemic heart disease26%

Hospitals where Jane Claire Williams works

Medicare's Facility Affiliation Data lists Jane Claire Williams 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.

• Baptist Medical Center AttalaKosciusko, MS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 251336
• Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004
• Merit Health River OaksFlowood, MS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 250138
• Mississippi Baptist Medical CenterJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250102
• St Dominic-Jackson Memorial HospitalJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250048

Practice locations

Addresses where Jane Claire Williams is enrolled with Medicare (CMS data updated October 2, 2026).

• 106 Highland WayMadison, MS 39110
• 106 Highland Way, Suite 101Madison, MS 39110
• 2510 Lakeland DrFlowood, MS 39232
• 801 N 29th StBillings, MT 59101 (406) 238‑2500
• 969 Lakeland DrJackson, MS 39216

Group practices

Medicare enrollment lists Jane Claire Williams as a member of these groups (CMS data updated October 2, 2026).

• Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
• St. Dominic Medical Associates LLC132 clinicians in the group
• Gastrointestinal Associates PA46 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Mississippi →

Other gastroenterologists in Madison

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

• Michelle Petro, MD
• Ollie D. Jones Jr., MD
• Makau P. Lee, MD
• Mark Wilson, MD
• Paul Milner, MD
• James Underwood, MD
• Jeffrey B. McCrary, MD
• Cynthia H. Wright, MD

All gastroenterologists in Madison →

Other clinicians in Billings Clinic Specialty Supplies and Services, LLC

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

• Matthew C. Fritsch, MD
• Jonathan Hisghman Ii, DO
• Daniela C. Mestre, MD
• Janelle D. Jones, MD
• Kallie C. Beretta
• Andrew Luxhoj, DO

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