Emily Y. Mao, MD

Medicare activity in 2024

Official CMS public-use data for Emily Y. Mao, 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. Biopsy of large bowel using a flexible endoscope (45380)56 services
2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)53 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)52 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)39 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 cholesterol74%
• Arthritis58%
• Anxiety32%
• Ischemic heart disease27%
• Diabetes25%

Hospitals where Emily Y. Mao works

Medicare's Facility Affiliation Data lists Emily Y. Mao 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.

• UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390164
• UPMC St MargaretPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390102

Practice locations

Addresses where Emily Y. Mao is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 Delafield Rd, Suite 2005Pittsburgh, PA 15215 (412) 784‑1110
• 300 Halket StPittsburgh, PA 15213
• 815 Freeport RdPittsburgh, PA 15215

Group practices

Medicare enrollment lists Emily Y. Mao as a member of this group (CMS data updated October 2, 2026).

• University of Pittsburgh Physicians4,236 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Pennsylvania →

Other gastroenterologists in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

• Stephanie L. Romutis, MD
• Stela Celaj, MD
• Jaideep Behari, MD
• Claire E. Durkin, MD
• Feras T. Al-Issa, MD
• Harpreet Kaur, MD
• David J. Levinthal, MD
• Erin Crawford, MD

All gastroenterologists in Pittsburgh →

Other clinicians in University of Pittsburgh Physicians

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

• Adam B. Christopher, MD
• John F. Pensock, MD
• Armando S. Herradura, MD
• Saima Ashraf, MD
• Rohit Aggarwal, MD
• Beth A. Bollinger, 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