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You May Experience a Little Extra Wait Time

We’ve recently updated our electronic health record and other systems to better support your care. We appreciate your patience and understanding as we work through this change and look forward to caring for you!

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Information about Mercy Medical Center’s Transition to Baystate Health

Mercy Medical Center and its affiliated medical group practices joined Baystate Health on November 1, 2026.

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Ivan M. Chavarria Siles, MD

Provider Headshot
Psychiatric Hospitalist
Member of Baystate Medical Practices
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Background and Clinical Focus

Languages:

English

Gender:

Male

Age Groups Seen:

Adults

Provider Affiliation:

Baystate Wing Hospital, Baystate Medical Center, Baystate Noble Hospital, Baystate Franklin Medical Center

Practice Groups:

Baystate Behavioral Health - Greenfield Inpatient

Insurances Accepted

Note:

Baystate Healthcare facilities and physicians accept most insurances. Please contact your insurance company to verify eligibility.

  • BMC HEALTHNET MCO
  • BMC HEALTHNET ACO
  • VT MEDICAID
  • NORTHEAST DIRECT
  • MULTIPLAN PHCS
  • CT MEDICAID
  • CONSOLIDATED
  • CIGNA BEHAVIORAL HEALTH
  • RAILROAD MEDICARE
  • MEDICARE
  • BLUE SHIELD PPO IND
  • MBHP
  • TRICARE
  • TUFTS US FAMILY HEALTH
  • HMO BLUE
  • UNITED BEHAVIORAL HEALTH
  • TUFTS
  • COMMONWEALTH CARE ALLIANCE
  • MA MEDICAID
  • SERENITY CARE PACE
  • TUFTS PUBLIC PLANS NON MASS HEALTH
  • HEALTH NEW ENGLAND EXCLUDING BE HEALTHY
  • TUFTS HEALTH TOGETHER ACO
  • AETNA
  • HNE BE HEALTHY PARTNERSHIP
  • BEACON
  • TUFTS TOGETHER MCO
  • BLUE SHIELD MEDICARE ADV
  • FIRST HEALTH COVENTRY
  • HARVARD PILGRIM

Education and Training

University of Costa Rica School of Medicine

Medical School, MD, 2003

Icahn School of Medicine at Mount Sinai

Residency, 2016

Patient Ratings

Patient Experience Ratings

Our patient experience rating is an average of all responses to care provider related questions from our nationally-recognized Press Ganey Patient Experience Survey. Response are measured on a scale of 1 to 5, with 5 being the best score.

Overall Rating
out of 5 ( Ratings)
Review Categories
Patient Comments

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