Waterman Pediatrics. Welcome! 900 Warren Avenue, Suite 200 East Providence, RI 02914 Phone: 401-421-6481 Fax: 401-751-8734 ... and so much more through the Patient Portal! Log in or Learn More. Helpful Coastal Resources. Coastal Medical services. Coastal Medical policies and FAQs. Coastal Medical patient forms. Our Providers. Stefanie P. Aronow ....