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Anesthesiology

Carlos C. Lassalle, MD

Works at hospitals in Manati, PR · Puerto Rico

Summary

Dr. Carlos C. Lassalle, MD is an anesthesiologist at Calle J-9 Extension Hermanas Davilas, Bayamon, PR 00960. Phone: (787) 622-5420. Accepts Medicare assignment. NPI 1659574440. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: Calle J-9 Extension Hermanas Davilas, Bayamon, PR 00960 · Directions
  • Phone: (787) 622‑5420
  • Medicare: Accepts Medicare assignment
  • Hospital: Doctors' Center Hospital, Inc
  • Group practice: Hospitalist Medical Services PSC
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Carlos C. Lassalle, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Carlos C. Lassalle accept Medicare assignment?
Yes. Medicare's clinician data says Carlos C. Lassalle accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Carlos C. Lassalle's NPI number?
1659574440. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Carlos C. Lassalle works

Medicare's Facility Affiliation Data lists Carlos C. Lassalle 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.

Practice locations

Addresses where Carlos C. Lassalle is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carlos C. Lassalle as a member of this group (CMS data updated October 2, 2026).

  • Hospitalist Medical Services PSC17 clinicians in the group

Specialties

Find other Anesthesiology doctors in Puerto Rico →

Other anesthesiologists in Bayamon

Clinicians with the same Medicare primary specialty in Bayamon, PR — not a recommendation.

All anesthesiologists in Bayamon →

Other clinicians in Hospitalist Medical Services PSC

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659574440
CorrectionsReport an error or suggest an update →

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