Barry G. Hallner Jr., MD

Medicare activity in 2024

Official CMS public-use data for Barry G. Hallner Jr., 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)165 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)58 services
3. Pelvic exam (99459)45 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)22 services
5. Complex measurement of pressure of urine flow in bladder with voiding pressure studies (51728)20 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 pressure70%
• Arthritis51%
• Diabetes28%
• Anxiety27%
• Depression23%

Hospitals where Barry G. Hallner Jr. works

Medicare's Facility Affiliation Data lists Barry G. Hallner Jr. 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.

• Ochsner Medical Center - Baton RougeBaton Rouge, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190202
• Womans HospitalBaton Rouge, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190128

Practice locations

Addresses where Barry G. Hallner Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Womans WayBaton Rouge, LA 70817 (225) 927‑1300
• 2390 W Congress StLafayette, LA 70506 (337) 261‑6000
• 500 Rue De La Vie St, Suite 311Baton Rouge, LA 70817 (225) 924‑8550

Group practices

Medicare enrollment lists Barry G. Hallner Jr. as a member of these groups (CMS data updated October 2, 2026).

• Lsuhn Billing LLC206 clinicians in the group
• Woman's Specialty Clinic8 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in Louisiana →

Other OB-GYNs in Baton Rouge

Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.

• Samantha G. Prats, MD
• Kathy H. Guidry, MD
• Laurie Whitaker, MD
• Lauren B. Sanders, MD
• Karli M. Boggs, MD
• Bria Murray, MD
• O'Neil Parenton Iii, MD
• Rachel Gilbert, DO

All OB-GYNs in Baton Rouge →

Other clinicians in Lsuhn Billing LLC

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

• Shaun Walker, DO
• Marilyn D. Marshall, MD
• Sheri A. Ammons, NP
• Joshua M. Campbell, MD
• Meighan G. Anderson, MD
• Daniel H. Nelson, 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