Fernando Almenas, MD

Medicare activity in 2024

Official CMS public-use data for Fernando Almenas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Anesthesia for lens surgery (00142)70 services
2. Anesthesia for exam of colon using an endoscope (00812)32 services
3. Anesthesia for other procedure on lower abdomen (00840)18 services
4. Anesthesia for other procedure on skin of arms, legs, and front body (00400)15 services
5. Anesthesia for procedure for total knee joint replacement (01402)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis45%
• Diabetes30%
• Ischemic heart disease29%
• Anxiety26%

Hospitals where Fernando Almenas works

Medicare's Facility Affiliation Data lists Fernando Almenas 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.

• Manchester Memorial HospitalManchester, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070027
• Windham Community Memorial HospitalWillimantic, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070021

Practice locations

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

• 1185 Main StWillimantic, CT 06226 (860) 423‑7558

Group practices

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

• Anesthesia Associates of Willimantic, PC48 clinicians in the group

Specialties

• Anesthesiologyprimary
• Pain Managementalso

Find other Anesthesiology doctors in Connecticut →

Other anesthesiologists in Willimantic

Clinicians with the same Medicare primary specialty in Willimantic, CT — not a recommendation.

• Rajeev Verma, MD
• Luis-Carlos C. Trejo, MD
• Craig E. Foster, MD
• Robert P. Campagnone, MD
• Laura R. Morello, MD
• Naveed A. Tahir, MD
• Roger R. Paro, MD
• Ritu Atam, MD

All anesthesiologists in Willimantic →

Other clinicians in Anesthesia Associates of Willimantic, PC

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

• Luis-Carlos C. Trejo, MD
• Craig E. Foster, MD
• Dawn C. Quinn, CNA
• Brittany Maffei, CNA
• Kevin Abbate, CNA
• Maureen E. Carney, CNA

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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians