Joanna Robertson, DNP
- Whole-person preventive care
- Transitional care
- Early intervention for chronic disease
Pins show each doctor's main office. Gold pins are in Delaware, navy pins are nearby.
Same order as the list above. A comparison, not a ranking.
| Doctor | Type | Education and training | Reviews |
|---|---|---|---|
| Joanna Robertson, DNP | Concierge · Internal Medicine nurse practitioner | ||
| Janika Wallace, DO | Concierge · Family Medicine physician | Rowan University School of Osteopathic Medicine (formerly UMDNJ-SOM) | |
| Lexi Saunders | Concierge · Internal Medicine physician | Internal medicine, Main Line Health's Lankenau Hospital | |
| Stuart S. Felzer, MD | Concierge · Internal Medicine physician | Albert Einstein Medical Center, Philadelphia | 5.0 (13) |
| David Bigley, DO | Concierge · Family Medicine physician | Family Medicine, Christiana Care, Delaware | |
| Beth Renzulli, MD | DPC · Internal Medicine physician | Internal Medicine, UNC Hospitals | 5.0 (10) |
| Bruce Sokoloff, MD | DPC · Internal Medicine physician | Thomas Jefferson Medical College of Philadelphia, Pennsylvania | 5.0 (10) |
| Deborah T. Zarek, M.D. | Concierge · Family Medicine physician | Internal Medicine, Christiana Care Health Center | |
| Marc D. Grobman, DO | Concierge · Internal Medicine physician | Internal medicine, Hahnemann University, Philadelphia, including one year as chief medical resident | 5.0 (10) |
| Stacey Kuhfahl, DO | Concierge · Internal Medicine physician | University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine (Chief Intern) | |
| Keyma Jones, APRN-C | Concierge · Family Medicine nurse practitioner | ||
| Andrew Kirschner, DO | Concierge · Family Medicine physician | Family and Osteopathic Manual Medicine, Mercy Suburban General Hospital | |
| Robert Weiss, MD | Concierge · Family Medicine physician | Hahnemann University School of Medicine | |
| Uday Jani, MD | Concierge · Internal Medicine physician | Internal Medicine, North Shore University Hospital | 5.0 (11) |
| Kevin W. O'Hara, MD | Concierge · Internal Medicine physician | 5.0 (14) | |
| Kathryn Grinnen, DO | Concierge · Internal Medicine physician | Internal medicine, MetroHealth Medical Center, Cleveland (2009) | |
| David P. Donohue, M.D. | Concierge · Family Medicine physician | ||
| Elise Hogan, MD | Concierge · Family Medicine physician | Family Medicine, ChristianaCare (2015) | |
| Frank Pettinelli Jr., DO | Concierge · Family Medicine physician | ||
| Lauren Musser, MD | Concierge · Family Medicine physician | Lankenau Medical Center | |
| Winslow Murdoch, MD | Concierge · Family Medicine physician | Sidney Kimmel Medical College at Thomas Jefferson University |
FindMyDirectDoctor lists 21 doctors for knee arthritis in Delaware. We last checked this list in November 2026.
6 of the 21 doctors list telehealth visits. Each profile says which visits are offered.
We confirmed board certification for 17 doctors on this list. Each profile shows the board and the specialty.
1 of the 21 doctors have a fee we confirmed on the practice's own website. The fee is on each of their profiles.
6 of the 21 doctors have patient reviews on FindMyDirectDoctor, 68 reviews in total. Each tile shows the doctor's rating and review count.
It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.