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

Mr. Steven Frederick Williams, PA

Individual provider Physician Assistant · NPI 1790769453

Mr. Steven Frederick Williams, PA is a Physician Assistant in Reston, Virginia. Qualified in 1986, 40 years ago. Practices with Comprehensive Primary Care and Associates LLC, a 165-clinician group and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
40
Licensed in
DC, VA
In the registry since
2005
Specialties on file
3
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

11484 Washington Plz W Ste 300
Reston, VA 20190-4342
Phone: (703) 443-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 0110840274 (VA)
Physician Assistant Taxonomy 363A00000X · Licence 0110840274 (VA)
Medical Physician Assistant Taxonomy 363AM0700X · Licence PA204 (DC)

Record details

NPI number1790769453
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedDecember 5, 2005
Last updated in NPPESJune 4, 2023
Certification dateJune 4, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Comprehensive Primary Care And Associates Llc — 165 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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