Geraldine B. Mournian, MD

Medicare activity in 2024

Official CMS public-use data for Geraldine B. Mournian, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)58 services
2. Hospital discharge day management, more than 30 minutes (99239)28 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 cholesterol75%
• Arthritis60%
• Ischemic heart disease48%
• Diabetes46%
• Depression38%

Hospitals where Geraldine B. Mournian works

Medicare's Facility Affiliation Data lists Geraldine B. Mournian 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.

• Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270049

Practice locations

Addresses where Geraldine B. Mournian is enrolled with Medicare (CMS data updated October 2, 2026).

• 1233 N 30th StBillings, MT 59101 (406) 657‑7000
• 16 N Miles Ave, Suite 101Hardin, MT 59034 (406) 237‑8270

Group practices

Medicare enrollment lists Geraldine B. Mournian as a member of these groups (CMS data updated October 2, 2026).

• SCL Health Medical Group - Billings LLC297 clinicians in the group
• Cogent Healthcare of Montana P C79 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Montana →

Other family doctors in Billings

Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.

• Kristopher G. Cunningham, MD
• Larry A. Severa, MD
• William George, MD
• Benjamin K. Phipps, MD
• Daniel Junco, MD
• Cody R. Englert, DO
• William L. Phillips, DO
• Daniel E. Hillman, MD

All family doctors in Billings →

Other clinicians in SCL Health Medical Group - Billings LLC

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

• Emily Miller, NP
• Kevyn Stroebe, DO
• Gwynn M. Pehler, NP
• Kristopher G. Cunningham, MD
• Daniel J. Lewis, MD
• Jason E. Sarisky, 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