James Mastromatteo

Hospitals where James Mastromatteo works

Medicare's Facility Affiliation Data lists James Mastromatteo 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.

• Doctors Hospital at RenaissanceEdinburg, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450869
• Johnson Memorial HospitalStafford Springs, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070008
• St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070002

Practice locations

Addresses where James Mastromatteo is enrolled with Medicare (CMS data updated October 2, 2026).

• 3580 Olde Farm LnOrtonville, MI 48462 (956) 362‑7553

Group practices

Medicare enrollment lists James Mastromatteo as a member of this group (CMS data updated October 2, 2026).

• Renaissance Medical Foundation181 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Michigan →

Other radiologists in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

• Christina Bakalis, MD
• Rachel Hulen, MD
• Smita Patel, MD
• David Homa, MD
• John Sullivan, MD
• Mark R. Pennington, MD
• Ann A. Koss, DO
• Jerald W. Henry, MD

All radiologists in Michigan →

Other clinicians in Renaissance Medical Foundation

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

• Claire E. Givilancz, NP
• Salvador Mendez, DO
• Kedak Z. Baltajian, MD
• Rolando A. Guerrero, MD
• Ashish Gajjar, MD
• Ahsan Ali, 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