4.9
47 Ratings with 38 written Reviews
Summary
Dr. Thomas Johnson treats posterior vitreous detachment, diabetic retinopathy, and retinal detachment, and performs retinal imaging, optical coherence tomography, and ophthalmoscopy. He has practiced ophthalmology for 32 years and is affiliated with Suburban Hospital.
Dr. Johnson completed his residency at the University of Ottawa Faculty of Medicine and earned his medical degree from Schulich School of Medicine & Dentistry. He sees patients in Rockville, Maryland, and Fredericksburg, Virginia, and speaks Chinese and Spanish. Patients on Vitals rate Dr. Johnson 4.91 out of 5.
Dr. Johnson completed his residency at the University of Ottawa Faculty of Medicine and earned his medical degree from Schulich School of Medicine & Dentistry. He sees patients in Rockville, Maryland, and Fredericksburg, Virginia, and speaks Chinese and Spanish. Patients on Vitals rate Dr. Johnson 4.91 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 32 years of experience
- speaks Chinese, Spanish
- University Of Ottawa Faculty Of Medicine
- 38 written reviews
- 1 specialty
- 11 areas of expertise
- 1 hospital affiliation
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Thomas Mark Johnson has 4 locationsThe Retina Group Of Washington Pllc
600 Jefferson Plz Ste 320Rockville, MD 20852 Tel: (301) 315-2198
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
The Retina Group Of Washington Pllc
1500 Dixon St Ste 204Fredericksburg, VA 22401 Tel: (540) 654-5333
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Montgomery Surgery Center
46 W Gude DrRockville, MD 20850 Tel: (301) 424-6901
Mon6:30 am - 4:30 pm
Tue6:30 am - 4:30 pm
Wed6:30 am - 4:30 pm
Thu6:30 am - 4:30 pm
Fri6:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Thomas Mark Johnson, MD | Dr. Pamela D'Souza-David, MD | Dr. Tayyib Rana, MD | Dr. Visionworks Dakota Crossing |
| Ophthalmology | Ophthalmology | Ophthalmology | Optometry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 32 Years of Experience | 28 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Chinese, Spanish | Speaks English, Spanish | Speaks English | |
| Rockville , MD | Laurel , MD | Winchester , VA | Washington , DC |
| Med School: Schulich School Of Medicine & Dentistry | Med School: Loma Linda University in California | Med School: West Virginia University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Thomas Mark Johnson
Medical Specialties
Dr. Thomas Mark Johnson has the following specialty
Specialty Expertise
Dr. Thomas Mark Johnson has the following 11 areas of expertise
Certifications, License, & Education
32 Years Experience
Dr. Thomas Mark Johnson holds an expired medical license in the states of Maryland and Virginia.
Medical License
Medical Doctor with an expired medical license in the state of Maryland that expired in 2026 and an expired medical license in the state of Virginia that expired in 2026.
Education & Training
Residency
Completed their residency at University Of Ottawa Faculty Of Medicine.
Medical School
Graduated from Schulich School Of Medicine & Dentistry in 1994.
NPI Number
Dr. Johnson's NPI number is 1366498545.
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Frequently Asked Questions
- How can I make an appointment with Dr. Thomas Johnson?
- You can find contact information for Dr. Thomas Johnson here on Vitals.
- Where is Dr. Thomas Johnson's office located?
- Dr. Thomas Johnson's office is located at 600 Jefferson Plz Ste 320, Rockville, MD, 20852.
- Which hospitals is Dr. Thomas Johnson affiliated with?
- Dr. Thomas Johnson is affiliated with Suburban Hospital.
- Does Dr. Thomas Johnson accept my insurance?
- You can see the insurance plans that Dr. Thomas Johnson accepts on their Vitals profile.
- What languages does Dr. Thomas Johnson speak?
- Dr. Thomas Johnson speaks Chinese and Spanish.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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