Primary Care Membership Consultation
Meet The Doctors
Dr. Kathryn Grinnen
Kathryn Grinnen, DO, is a board-certified internal medicine physician with a strong background in healthcare. She obtained her Doctor of Osteopathic Medicine (DO) degree in 2006 from Lake Erie College of Osteopathic Medicine. After the completion of her medical degree, Dr. Grinnen pursued her residency training in internal medicine at MetroHealth Medical Center in Cleveland. This residency program provided her with comprehensive training and expertise in diagnosing and treating a wide range of medical conditions within the field of internal medicine along with a focus on wellness.
As an internal medicine physician, Dr. Grinnen focuses on the prevention, diagnosis, and treatment of diseases and disorders affecting adults along with wellness and preventative care. Her board certification in internal medicine indicates that she has met the rigorous standards set by the relevant medical board and has demonstrated proficiency in the field.
With her expertise, knowledge and skill base Dr. Grinnen is an expert at providing comprehensive primary care and wellness services while ensuring patients get a unique personalized experience.
Dr. Bobby Gulab
Dr. Gulab is a native of Sussex County and has pursued an extensive education and career in the medical field. He is a local graduate of Sussex Central High School. He obtained his Bachelor of Science degree in biology from Delaware State University. Following that, he attended Ross University School of Medicine and earned his Doctor of Medicine degree. After completing medical school, Dr. Gulab underwent his internship at MetroHealth and the Cleveland Clinic. He then completed his residency training in internal medicine at Christiana Care Health System and continues to maintain his board certification.
In addition to his medical qualifications, Dr. Gulab also holds a Master of Business Administration degree with a concentration in healthcare from the University of Delaware. This business education provides him with a comprehensive understanding of healthcare management and administration. Throughout his career, Dr. Gulab has focused on community health, wellness, and hospitalized care, dedicating his expertise to the care and treatment of patients as a hospitalist and in a primary care setting.
Dr. Gulab's extensive educational background, strong community ties, combined with his extensive experience in hospital medicine, primary care and wellness, positions him as a leader in providing healthcare services in Sussex County.
Dr. Maria Haldar
Dr. Maria Haldar is a board-certified physician with over 20 years’ practicing in the community of Milton. She is dedicated to providing personalized, high-quality care to our concierge practice. She brings a thoughtful, patient-centered approach to medicine, focusing on prevention, wellness, and building lasting relationships with each patient.
Dr. Haldar is passionate about helping you achieve your health goals with the time, attention, and expertise you deserve.
Dr Haldar received her medical degree from the University of the Philippines College of Medicine. She pursued her residency training in internal medicine at Montefiore Hospital in New York where she developed a deep appreciation for building strong doctor-patient relationships and providing thoughtful, preventive care.
As an internal medicine doctor, Dr. Haldar is trained to handle a wide range of adult health concerns — from chronic disease management (like diabetes, hypertension, and heart disease) to acute illnesses and routine preventive care. She takes the time to truly listen, understand your unique needs, and partner with you in achieving your long-term health goals.
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