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

William Carl Stallard, MD

Individual provider Family Medicine Physician · NPI 1740694561

William Carl Stallard, MD is a Family Practice in Fairfax, Virginia. Graduated from Virginia Commonwealth University, School of Medicine in 2014, 12 years ago. Practices with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, a 1,934-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
12
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
VA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1710
Phone: (703) 391-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 0116027266 (VA)

Record details

NPI number1740694561
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2014
Last updated in NPPESMay 31, 2021
Certification dateMay 31, 2021
Mailing address3650 Joseph Siewick Dr, Suite 400, Fairfax, VA 22033-1710

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc — 1934 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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