Central Providers
Our Providers
Experienced physicians dedicated to coordinated, patient-focused care.
The Central Providers at Physician Associates are part of our core medical team, working collaboratively to deliver comprehensive care across multiple specialties. These providers are closely connected within the practice, allowing for seamless communication, coordinated treatment plans, and a more efficient healthcare experience.
By working together across disciplines, our Central Providers help ensure continuity of care and support patients through every stage of their health journey. Whether you are scheduling a routine visit or managing an ongoing condition, our team is committed to providing attentive, thoughtful care focused on your individual needs.

Marc Grossman, MD, F.A.A.P.M.R.
Physical Medicine and Rehabilitation
Spine and Sports Medicine
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
New patient appointments • Excellent wait time • Highly recommended

Dr. Chunbo Hu
Internal Medicine
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
New patient appointments • Excellent wait time • New to Physician Associates

Ke Sun
Internal Medicine & Adult Primary Care
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
New patient appointments • Excellent wait time • New to Physician Associates

Hing Chung-Lee MD, PhD, FACP Internal Medicine, Clinical Pharmacology
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
New patient appointments • Excellent wait time • Highly recommended

Saba Medhane, MD, MPH
Internal Medicine
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
Excellent wait time • Highly recommended

Michelle Nino, MD
Internal Medicine
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
Excellent wait time • Highly recommended

Arul Vigg, MD
Nephrology
6000 Executive Blvd., Ste. 300, Rockville, Maryland 20852
New patient appointments • Excellent wait time • Highly recommended