Brendan T. Mullen, MD

Medicare activity in 2024

Official CMS public-use data for Brendan T. Mullen, 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. Ct scan of abdomen and pelvis with contrast (74177)476 services
2. Ct scan of abdomen and pelvis without contrast (74176)217 services
3. X-ray of abdomen, 1 view (74018)204 services
4. Ct scan of chest with contrast (71260)160 services
5. Ct scan of chest without contrast (71250)83 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%
• Arthritis58%
• Ischemic heart disease41%
• Anxiety40%
• Chronic kidney disease39%

Hospitals where Brendan T. Mullen works

Medicare's Facility Affiliation Data lists Brendan T. Mullen 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.

• Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390050
• Forbes HospitalMonroeville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390267
• Jefferson HospitalJefferson Hills, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390265
• Saint Vincent HospitalErie, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390009
• West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090

Practice locations

Addresses where Brendan T. Mullen is enrolled with Medicare (CMS data updated October 2, 2026).

• 189 E Main StWestfield, NY 14787 (716) 793‑2221
• 320 E N AvePittsburgh, PA 15212 (412) 359‑2459

Group practices

Medicare enrollment lists Brendan T. Mullen as a member of these groups (CMS data updated October 2, 2026).

• Allegheny Clinic Radiology152 clinicians in the group
• Chautauqua Medical Practice PC107 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Westfield

Clinicians with the same Medicare primary specialty in Westfield, NY — not a recommendation.

• David W. Barker, MD
• Ian A. Monast, DO
• Daniel Hoffman, MD
• Atman Dave, MD
• Kevin McCluskey, MD
• Craig Smith, DO
• Charles Li, MD
• Danielle Seaman, MD

All radiologists in Westfield →

Other clinicians in Allegheny Clinic Radiology

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

• Christian P. Wanamaker, MD
• David W. Barker, MD
• Stephen Snodgrass, DO
• Rachel K. Ross, PA
• Aleida M. Alvarez, PA
• Danielle Seaman, 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