Our Team Meet Our Core Care Clinic Team Leadership Team Dr Chandra Sekhar Lingisetty Founder & CEO Dr. Elizabeth H. Johnson Senior Adviser Waltham Dr Ankit Patel MD - Medical director, Internal medicine Dr. Andrew Rosenzweig Behavioral Health - MD, MPH Colleen Burke Primary Care - APRN, FNP-BC Dr Henry Merola Medical Director - MD Dr. Mawya Shocair Primary Care & Nephrology North Andover Dr Ankit Patel MD - Medical director, Internal medicine Dr. Andrew Rosenzweig Behavioral Health - MD, MPH Christina Bigelow Behavioral Health - PMHNP-BC Rachel Lees Physician Assistant - PA-C Russell Kelly Physician Assistant - PA-C Tampa Dr Prudhvi Karumanchi Medical Director - MD Heather Whitmire Healthcare Administration & Operations Melissa Rousseau Healthcare Administration & Operations