Osama N. Aziz, MD

Medicare activity in 2024

Official CMS public-use data for Osama N. Aziz, 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)100 services
2. Test to measure expiratory airflow and volume changes before and after medication administration (94060)71 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)71 services
4. Test to examine how well the lungs exchange gases (94729)55 services
5. Test to determine lung volumes using sensors (94726)53 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%
• COPD75%
• Arthritis50%
• Ischemic heart disease43%
• Chronic kidney disease30%

Hospitals where Osama N. Aziz works

Medicare's Facility Affiliation Data lists Osama N. Aziz 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.

• Avera St LukesAberdeen, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430014

Practice locations

Addresses where Osama N. Aziz is enrolled with Medicare (CMS data updated October 2, 2026).

• 201 S Lloyd St, Suite 105Aberdeen, SD 57401 (605) 622‑2570
• 305 S State StAberdeen, SD 57401
• 8 E US Hwy 12Groton, SD 57445 (605) 397‑4242

Group practices

Medicare enrollment lists Osama N. Aziz as a member of this group (CMS data updated October 2, 2026).

• Avera St Lukes165 clinicians in the group

Specialties

• Pulmonary Diseaseprimary

Find other Pulmonary Disease doctors in South Dakota →

Other pulmonologists in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

• Mustafa Ali, MD
• Ashraf A. Elshami, MD
• Svien A. Senne, DO
• Travis J. Hanson, MD
• Anthony J. Hericks, DO
• James A. Washburn, MD
• Barrett P. Larson, MD
• Masaru Chiba, MD

All pulmonologists in South Dakota →

Other clinicians in Avera St Lukes

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

• Kristine L. Fastenau, NP
• Gabriel Gehrke, PA
• Charles L. Pelton Jr.
• Zachary J. Fleming, MD
• Christopher J. Albrecht, PT
• Angelina M. Rohlfs, 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