Brandyn W. Mason, DO

Medicare activity in 2024

Official CMS public-use data for Brandyn W. Mason, 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 moderate level of decision making, if using time, 30 minutes or more (99214)84 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)14 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)12 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)11 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 cholesterol72%
• Arthritis46%
• Diabetes45%
• Anxiety34%
• Depression29%

Hospitals where Brandyn W. Mason works

Medicare's Facility Affiliation Data lists Brandyn W. Mason 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.

• Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208

Practice locations

Addresses where Brandyn W. Mason is enrolled with Medicare (CMS data updated October 2, 2026).

• 4440 W 95th StOak Lawn, IL 60453 (708) 684‑4393

Group practices

Medicare enrollment lists Brandyn W. Mason as a member of this group (CMS data updated October 2, 2026).

• Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Illinois →

Other family doctors in Oak Lawn

Clinicians with the same Medicare primary specialty in Oak Lawn, IL — not a recommendation.

• John J. Kalmanek, MD
• Amit Agarwal, MD
• Clarence P. Abella, MD
• John M. Curtin, DO
• Daniel R. Diiorio, MD
• Edward J. Rybka, DO
• Paul Omastiak, MD
• Emelie Ilarde, MD

All family doctors in Oak Lawn →

Other clinicians in Advocate Health and Hospitals Corporation

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

• Janaki Patel, MD
• Bridget E. McGinnis, PA
• Brianna Yates, CSW
• Chukwuemeka C. Uzoka, MD
• Matthew R. Leach, MD
• Jaclyn Yeung, 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