Coastal Medical
Exceptional Care for Patients. Exceptional Careers for Physicians.

Greenville Internal Medicine

Our practice provides comprehensive adult primary care services that support the health and wellness of our patients, including preventive care and chronic disease management. Coastal Medical Greenville has been taking care of patients in RI and neighboring Connecticut and Massachusetts for over 25 years. 

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Our team consists of clinicians (i.e. physicians and advanced providers), medical assistants, medical secretaries, a nurse care manager, a clinical pharmacist and a practice manager. Each member of your Coastal care team is committed to providing you with high-quality, patient-centered care in a comfortable, safe and friendly environment. 

To accommodate our patients’ needs, we also offer adult sick visits either at our office (during office hours) or through Coastal365 (evenings, weekends and holidays). In addition, our location has a Lifespan laboratory on site. See a list of all laboratory locations and hours (PDF)

Learn more about services Coastal Medical offers patients

We are proud to be part of an Accountable Care Organization and recognized as an NCQA Patient Centered Medical Home

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Our Providers

John A Gaines, MD Headshot

John A Gaines, MD

Ryan D. Rossi, MD Headshot

Ryan D. Rossi, MD

Caasi Baima, MS, NP Headshot

Caasi Baima, MS, NP

Nurse Practitioner

Stephanie N. Bursie, PA Headshot

Stephanie N. Bursie, PA

Physician Assistant

Amanda Montella, MSN, CEN, AG-ACNP Headshot

Amanda Montella, MSN, CEN, AG-ACNP

Nurse Practitioner

Deborah Thomas, PA Headshot

Deborah Thomas, PA

Physician Assistant


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