Each of our Providers are Board-Certified in their specialties. We only strive to provide the best possible health care for our patients. Dr. Michael Gross is our Rheumatologist and Dr. Jason Shatkin is our Pulmonologist also specializing in Sleep Medicine and Critical Care. Jennifer Porco and Elizabeth Heydt are well-established Board-Certified Advanced Nurse Practitioners with many years of experience working in collaboration with our Physicians. They have extensive training in both Dr. Gross’s and Dr. Shatkin’s specialties to treat their patients as well as providing patients with Internal Medicine/Primary Care.

Meet Our Office Providers

Michael Gross

Michael Gross, MD

Rheumatologist

Dr. Michael Gross is co-founder and co-managing partner of Physician Specialists of Northern Jersey. He is a Board-Certified Rheumatologist and has been practicing Rheumatology in Bergen County, New Jersey since 2000. In the past, Dr. Gross was a teaching professor at New York...

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Jason Shatkin

Jason Shatkin, MD

Pulmonologist, Sleep Specialist

Dr. Jason Shatkin is co-founder of Physician Specialists of Northern Jersey and medical director of our Pulmonology, Critical Care and Sleep Medicine department. He is Board-Certified in each of his three specialties, Pulmonary Medicine, Critical Care, and Sleep Medicine. Dr. Shatkin received his...

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Elizabeth Heydt

Elizabeth Heydt, MSN, APN, FNP-BC

Nurse Practitioner

Elizabeth Drehwing Heydt has been practicing with Dr. Shatkin and Dr. Gross since 2015.  She started as a member of the transitional care team, caring for patients post hospital stays in sub-acute rehabilitation.  Elizabeth cared for patients with advanced cardio-pulmonary diseases as well as other...

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Jennifer Porco

Jennifer Porco, RN, MSN, APN-BC

Nurse Practitioner

Jennifer Porco has been practicing with Dr. Shatkin and Dr. Gross since 2014, initially as a member of the transitional care team, caring for patients post hospital stays in sub-acute rehabilitation. Jennifer cared for patients with advanced cardio-pulmonary diseases as well as other...

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