Ryan D. Demmendaal, MD

Hospitals where Ryan D. Demmendaal works

Medicare's Facility Affiliation Data lists Ryan D. Demmendaal 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.

• MaineHealth Franklin HospitalFarmington, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201316
• MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009

Practice locations

Addresses where Ryan D. Demmendaal is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Riverfront PlzWestbrook, ME 04092

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Maine →

Other emergency medicine doctors in Westbrook

Clinicians with the same Medicare primary specialty in Westbrook, ME — not a recommendation.

• James H. Williams, MD
• John McNamara, MD
• Angela A. Meyer, MD
• Page Mieritz, MD
• Andrew C. Jones, MD
• Julia K. Smith, DO
• Andrew M. Weller, MD

All emergency medicine doctors in Westbrook →

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