Primary Care Services

Jamestown Primary Care

Sick? Call Us First. Same-day Sick Visits by Appointment
Sick visit appointments may take place in-person or through telehealth. 

  • Pediatric sick visits are available during and after office hours 365 days a year.
  • Adult sick visits are available at our office (during office hours) or through Care365 (evenings, weekends and holidays). Note: Care365 is NOT a walk-in clinic, appointments are required. 

About Our Practice
Our practice (formerly Jamestown Family Practice) provides comprehensive primary care services that support the health and wellness of our patients, including preventive care and chronic disease management.  

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

In addition, Brown University Health laboratories are located throughout the state for your convenience. See a list of all laboratory locations and hours (PDF).

Learn more about services Brown Health Medical Group Primary Care offers patients  

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

Please feel free to contact our office through the Patient Portal if you have any questions! 

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Our Providers

Our Providers

James A. Mastrostefano, NP Headshot

James A. Mastrostefano, NP

Nurse Practitioner

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Carla Marie Vaccaro, MD Headshot

Carla Marie Vaccaro, MD

Family Medicine Physician

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Kenneth Wells, MD Headshot

Kenneth Wells, MD

Family Medicine Physician

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