Derek K. Johnson, MD
Listed as an allergist, with 7 practice addresses in Woodbridge, Virginia, and 4 other cities.
Practice locations 7
Privia Medical Group, LLC
1916 Opitz Blvd
Woodbridge, VA 22191Privia Medical Group, LLC
1952 Opitz Blvd
Woodbridge, VA 22191Privia Medical Group, LLC
1958 Opitz Blvd
Woodbridge, VA 22191Privia Medical Group, LLC
3903 A Fair Ridge Dr
Fairfax, VA 22033Privia Medical Group, LLC
8644 Sudley Rd, Suite 220
Manassas, VA 20110Privia Medical Group, LLC
9470 Annapolis Rd, Suite 309
Lanham, MD 20706Privia Medical Group, LLC
950 N Glebe Rd, Suite 700
Arlington, VA 22203
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Telehealth
- Medicare’s file shows recent telehealth visits. It doesn’t mean every visit can be by video.
- Medical school
- University of Washington School of Medicine, graduated 1995 (Medicare records)
- Registry record
- Last updated August 2026
- NPI
- 1285622183 (national provider registry)
A listing isn’t a check of a license or board certification, and it doesn’t tell you whether a doctor is taking new patients or accepts your insurance. Call the practice.