Gastroenterologist - Frederick
70 Thomas Johnson Drive
Frederick, MD 21702
Phone(301) 624-5566


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David W Kossoff, MD, PA

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Gastroenterologist Frederick, MD - Optimal Digestive Care

Welcome to Optimal Digestive Care. We specialize in adult diseases of the digestive tract (colon, esophagus, stomach, small intestine, liver, pancreas, and gall bladder).

We pride ourselves in providing easy access for prompt appointments, and always have a “real person” to answer our daytime phones. Optimal Digestive Care strives to give their personal attention to their patients. Our entire staff is committed to serving you with friendly, high quality, compassionate healthcare.


Please click here New Patient Forms to print our registration forms. Complete and bring these forms to your first visit.

Location: Our office is conveniently located at 70 Thomas Johnson Drive, in the Hayward Professional Center, in Frederick, Maryland.  We are located to the rear of the building in Suite 120, which is on the first level and easily accessible.

Hours: The office is open from 8:30am – 5:00pm, Monday – Friday.  Patients are seen by scheduled appointments. We do offer some evening appointments.

Dr. Kossoff performs endoscopic procedures on Mondays, Wednesdays, Fridays and some Saturdays, at the Frederick Surgical Center as well as at Frederick Memorial Hospital. 

Billing and Fees: Health plan copays are due at time of service as per your plan requirements. (Be advised that none of our services are considered "global" by insurance carriers/HMO plans and a copay will be collected for every visit to the office.) We accept Visa and MasterCard, as well as personal checks and cash.

A $50.00 Missed Appointment Fee may be charged for failure to keep a scheduled office appointment or to provide the courtesy of a 24-hour notice to cancel an appointment. Released appointments allow us to offer them to others who are waiting to be scheduled.

We contract with most insurance plans. Billing or insurance questions should be directed to Professional Account Management Service at 1 (888) 313-9539.