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

Greenville Internal Medicine

Sick? Call Us First. Same-day Adult Sick Visits by Appointment
To accommodate our patients’ needs, we offer in-person or telehealth adult sick visits from our office (during office hours) or through Coastal365 (evenings, weekends and holidays). Note: Coastal365 is NOT a walk-in clinic, appointments are required. 

About Our Practice 
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. 

In addition, our location has a Lifespan laboratory on site. See a list of all laboratory locations and hours.
 

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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Your secure electronic health record (EHR)

Request an appointment, ask your office a question, view your lab results, and so much more through MyLifespan!

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Our Providers

John A Gaines, MD Headshot

John A Gaines, MD

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Ryan D. Rossi, MD Headshot

Ryan D. Rossi, MD

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Caasi Baima, MS, NP Headshot

Caasi Baima, MS, NP

Nurse Practitioner

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Stephanie N. Bursie, PA Headshot

Stephanie N. Bursie, PA

Physician Assistant

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Amanda Montella, MSN, CEN, AG-ACNP Headshot

Amanda Montella, MSN, CEN, AG-ACNP

Nurse Practitioner

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Deborah Thomas, PA Headshot

Deborah Thomas, PA

Physician Assistant

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