Erik M. Massenzio, MD

Hospitals where Erik M. Massenzio works

Medicare's Facility Affiliation Data lists Erik M. Massenzio 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.

• Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390174
• Wills Eye HospitalPhiladelphia, PA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 390331

Practice locations

Addresses where Erik M. Massenzio is enrolled with Medicare (CMS data updated October 2, 2026).

• 840 Walnut StPhiladelphia, PA 19107 (800) 331‑6634

Group practices

Medicare enrollment lists Erik M. Massenzio as a member of these groups (CMS data updated October 2, 2026).

• Wills Eye Ophthalmology Clinic, Inc147 clinicians in the group
• Retinovitreous Associates Ltd37 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Pennsylvania →

Other ophthalmologists in Philadelphia

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

• Rithambara Ramachandran, MD
• Judith B. Lavrich, MD
• Bennie Jeng, MD
• Gary F. Domeracki, MD
• Theresa K. Reilly, MD
• Prathima Neerukonda Atluri, MD
• Leslie A. Brown, MD
• Nirali P. Bhatt, MD

All ophthalmologists in Philadelphia →

Other clinicians in Wills Eye Ophthalmology Clinic, Inc

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

• Judith B. Lavrich, MD
• Brook D. Saffren, DO
• Jesse Richman, MD
• Beeran B. Meghpara, MD
• Christine A. Chung, MD
• Ping Huang, 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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians