Alissa A. Detz, MD

Hospitals where Alissa A. Detz works

Medicare's Facility Affiliation Data lists Alissa A. Detz 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.

• Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360

Practice locations

Addresses where Alissa A. Detz is enrolled with Medicare (CMS data updated October 2, 2026).

• 3110 Kerner BlvdSan Rafael, CA 94901 (415) 448‑1500

Group practices

Medicare enrollment lists Alissa A. Detz as a member of this group (CMS data updated October 2, 2026).

• Marin Community Clinic30 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Rafael

Clinicians with the same Medicare primary specialty in San Rafael, CA — not a recommendation.

• Aida Calvillo, MD
• Christopher M. Sangster, MD
• Lan Jin, MD
• Krantikiran Baral, MD
• Noah Mischka A. Gerken, MD
• Maria A. Scremin, DO
• Erik P. Schten, MD
• Rakesh Malhotra, MD

All internal medicine doctors in San Rafael →

Other clinicians in Marin Community Clinic

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

• Kathryn Maclaughlin, NP
• Robert H. Byers, MD
• John R. Spurzem, MD
• Ricardo Reyes, MD
• Lynette T. McLamb, MD
• Rebekah L. Harding, 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