Tiffany N. Chao, MD

Medicare activity in 2024

Official CMS public-use data for Tiffany N. Chao, 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)76 services
2. Diagnostic exam of voice box using a flexible endoscope (31575)75 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)75 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
5. Diagnostic exam of nasal passages using an endoscope (31231)48 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 cholesterol74%
• High blood pressure72%
• Arthritis43%
• Diabetes29%
• Ischemic heart disease27%
• Anxiety24%

Hospitals where Tiffany N. Chao works

Medicare's Facility Affiliation Data lists Tiffany N. Chao 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.

• Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
• Penn Presbyterian Medical CenterPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390223
• Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390226

Practice locations

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

• 3400 Spruce StPhiladelphia, PA 19104 (215) 662‑2777
• 3737 Market St, Fl 3Philadelphia, PA 19104 (215) 662‑9900

Group practices

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

• University of Penn - Medical Group3,505 clinicians in the group

Specialties

• Otolaryngologyprimary
• General Surgeryalso

Find other Otolaryngology doctors in Pennsylvania →

Other ENT doctors in Philadelphia

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

• David Liao, MD
• Richard A. Goldman, MD
• David M. Cognetti, MD
• Devraj Basu, MD
• Arielle Thal, MD
• Ramez Philips, MD
• Elizabeth E. Cottrill, MD
• David A. Zwillenberg, MD

All ENT doctors in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

• Aidan C. Gaither, PA
• Joel M. Stein, MD
• Matthew B. Palmer, MD
• David H. Jang, MD
• Carin M. Connolly, CNA
• Lewis J. Kaplan, 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