Dr. Safy John, MD | Pulmonology | Maryland
Pulmonology • Rockville, MD
Clinic Type
Pulmonology
Address
2401 Research Boulevard, Suite 350, Rockville, MD 20850
Phone
301-330-6982
oip@adventisthealthcare.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Team
Insurance & Payment
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Languages Spoken
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Social Media
Photos

What Patients Say
Overall sentiment across review platforms: mixed
- US News Doctors: 5/5 (based on 30 reviews) (30 reviews)
- WebMD Care: 5/5 (average) (15 ratings)
- Vitals: 4.7/5 (12 ratings, 1 written review)
Patients praise
- highly recommended by many patients
- warm and kind bedside manner
- highly knowledgeable/smart physician
Common complaints
- difficult to schedule appointments
- concerns about medication management (prednisone)
- allegations of patient abandonment
- poor office communication and staff interactions
"He was WONDERFUL and kind and warm as was his entire staff. He was sensitve to my issues and made me feel as if I were his only patient. I have a genuine admiration for his work and his gentle nature. A very smart doctor who has a heart of gold and a bedside manner that is untouchable."
— Vitals"I didn’t see him for 3 weeks. The confusion came from a reaction I had to prednisone... He dropped me as a patient while still in o2... That’s abandonment of a a patient."
— HealthgradesSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Yung Hao H. Pung, MD - Allergist-Immunologist in Rockville, MD — May 14, 2026
- Dr. Jonathan Jun, MD - Baltimore, MD - Pulmonology, Sleep Medicine - Schedule an Appointment — May 20, 2026
- Dr. Francis Samaniego Chuidian, MD - Columbia, MD - Pulmonology, Sleep Medicine - Schedule an Appointment — May 19, 2026
- Dr. Luu Van Pham, MD - Baltimore, MD - Pulmonology, Sleep Medicine - Schedule an Appointment — Feb 24, 2026
- Dr. Mary Frekko Kilavos, MD - Rockville, MD - Internal Medicine - Schedule an Appointment — May 21, 2026
Information sourced from the clinic's website as of July 11, 2026.
More pulmonology clinics in Rockville
Pulmonology at Rockville Internal Medicine Group (RIMG) in Rockville, MD: - Part of a multi-specialty practice with locations in Rockville and Olney, MD. - Services include pulmonology among other specialties (internal medicine, sleep medicine, dermatology, gastroenterology, nutrition, sports medicine, etc.). - HQ at 1201 Seven Locks Rd, Potomac (near Rockville) with additional offices in Olney and Rockville. - Practice size: about 28 staff; annual revenue ~$10.3M. - Part of a larger Rockville Internal Medicine Group multi-location system serving the U.S. with five offices.
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