1. Home
  2. Directory
  3. Virginia
  4. Fairfax
  5. Family Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEVEN HERBERT WOOLF MD
NPI 1275527426
Family Medicine in Fairfax, VA

Active since September 02, 2005
3650 JOSEPH SIEWICK DR, STE 400, FAIRFAX, VA 22033(703) 391-2020(703) 391-1211 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Steven Herbert Woolf Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN HERBERT WOOLF MD (NPI 1275527426) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0101049211) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1275527426
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameSTEVEN HERBERT WOOLFCredential: MD
Location Address3650 JOSEPH SIEWICK DR, STE 400Fairfax, VA 22033-1710
Mailing Address3650 Joseph Siewick Dr, Ste 400Fairfax, VA 22033-1710 · (703) 391-2020 · Fax (703) 391-1211
Phone(703) 391-2020
Fax(703) 391-1211
Sole ProprietorNo
Enumeration DateSeptember 2, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1275527426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0101049211
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3650 JOSEPH SIEWICK DR, Fairfax, VA 22033
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THUY PHUONG THI VO M.D.
Family Medicine
3650 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
KATHERINE BOOKER PT
Physical Therapist
3650 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033
Fairfax County (703) 716-4794
DR. LAURA E. BYRNES M.D.
Pediatrics
3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
DR. HEON SOO YI M.D.
Family Medicine
3650 JOSEPH SIEWICK DR, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
VICTORIA LESSINGER MERKEL MD
Family Medicine
3650 JOSEPH SIEWICK DR, STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
BRENT R AIN MD
Orthopaedic Surgery
3650 JOSEPH SIEWICK DR, SUITE 300
FAIRFAX, VA 22033
Fairfax County (703) 391-0111
SANDY L. CHUNG M.D.
Pediatrics
3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
DR. PETER STEPHEN ROSS MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3650 JOSEPH SIEWICK DR, #305
FAIRFAX, VA 22033
Fairfax County (703) 648-1831

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Woolf's NPI number?

The NPI number for Steven Woolf is 1275527426. It was assigned to this individual provider in the NPPES registry on September 2, 2005.

Where is Steven Woolf located?

Steven Woolf practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.

What is Steven Woolf's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Steven Woolf was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.