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John Wallmark, M.D.

4.9

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Location details

9905 Medical Center Dr Suite 200, Rockville, MD, 20850, United States

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WeekdayScheduleStatus
Mon8:00 a.m. to 5:00 p.m.
Tue8:00 a.m. to 5:00 p.m.
Wed8:00 a.m. to 5:00 p.m.
Thu8:00 a.m. to 5:00 p.m.
Fri8:00 a.m. to 4:30 p.m.
SatClosed
SunClosed
4.963 reviews
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Theresa E's profile image
Theresa E 
a week ago

I take my mom to see Dr Wallmark and have found him to be a great practitioner. He’s knowledgeable, patient and kind. For our last visit we saw Jasmine, the practice NP, and she was fantastic. She was great with my mom, caring, patient and really thorough. I feel like my mom is in excellent hands! 

Chris Williams's profile image
Chris Williams 
2 weeks ago

Caring Doctor, nurse practitioner and phlebotomists. 

Deborah Messenger's profile image
Deborah Messenger 
a month ago

Explains treatment plan & takes time to listen. 

Jonathan Sherman's profile image
Jonathan Sherman 
a month ago

Very disappointed. I waited weeks to see this doctor. I was given a referral from another practice for this doctor to test and treat me. Within the first few minutes he was giving me excuses of why he can't treat me. Claiming he knows nothing about mast cells. "I'm just an oncologist". Give me a break. You specialize in cancer. Mast cells play a major role in cancer. All of a sudden you know nothing about this subject. What a joke. He said "it's like a diabetic doctor performing heart surgery". He put more effort into lookin... read more

Debra Tallman's profile image
Debra Tallman 
a month ago

Yesterday was my last appointment with Dr. Wallmark. I’ve been his patient for ten years! On my way out the door, he gave me a hug! I’m cancer free! I’m so grateful for Dr. Wallmark’s wisdom, care, and humor through it all! He’s the best! 

Frequently asked questions about John Wallmark, M.D.

How is John Wallmark, M.D. rated?

John Wallmark, M.D. has a 4.9 star rating with 63 reviews. 

When is John Wallmark, M.D. open?

John Wallmark, M.D. is closed now. It will open tomorrow at 8:00 a.m. 

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