Efrain Montero Nieves, MD

Hospitals where Efrain Montero Nieves works

Medicare's Facility Affiliation Data lists Efrain Montero Nieves 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.

• Mount Carmel New Albany Surgical HospitalNew Albany, OH · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 360266
• Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360012
• Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085

Practice locations

Addresses where Efrain Montero Nieves is enrolled with Medicare (CMS data updated October 2, 2026).

• 410 W 10th AveColumbus, OH 43210 (614) 293‑8487
• 500 S Cleveland AveWesterville, OH 43081 (380) 898‑4000
• 7333 Smiths Mill RdNew Albany, OH 43054 (614) 775‑6600

Group practices

Medicare enrollment lists Efrain Montero Nieves as a member of these groups (CMS data updated October 2, 2026).

• OSU Observation Medicine, LLC436 clinicians in the group
• Consultant Anesthesiologists Inc.71 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Ohio →

Other anesthesiologists in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

• Edward Chen, MD
• John F. Antenucci, DO
• Zachary C. Nguyen, MD
• Steven A. Severyn, MD
• Nisha Gala, MD
• Michael E. Reardon, MD
• Cody S. Yerger, MD
• Boris Mraovic, MD

All anesthesiologists in Columbus →

Other clinicians in OSU Observation Medicine, LLC

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

• Andrew Diehl, PA
• Edward Chen, MD
• Steven Wipprecht, MD
• John F. Antenucci, DO
• Regan C. Fedor
• Carolyn L. Martinez, 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