Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Derek K Johnson, MD

Individual provider Pediatric Allergy/Immunology Physician · NPI 1285622183

Derek K Johnson, MD is an Allergy/Immunology in Fairfax, Virginia. Graduated from University of Washington School of Medicine in 1995, 31 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
31
Trained at
University of Washington School of Medicine
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3903A Fair Ridge Dr
Fairfax, VA 22033-2938
Phone: (703) 648-0030
Fax: (703) 648-9028
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence MD 065160L (PA)

Record details

NPI number1285622183
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 13, 2005
Last updated in NPPESFebruary 27, 2017
Mailing address3903a Fair Ridge Dr, Fairfax, VA 22033-2938

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare