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

Yasser Hadj Ousman, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1801845284

Yasser Hadj Ousman, MD is an Endocrinology in Fairfax, Virginia. Qualified in 1988, 38 years ago. Practices with Dubois Regional Medical Center, a 422-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in District of Columbia, Pennsylvania and Virginia.

Years since qualifying
38
Licensed in
DC, PA, VA
In the registry since
2006
Specialties on file
3
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

2740 Prosperity Ave Ste 200
Fairfax, VA 22031-4354
Phone: (571) 623-3480
Fax: (703) 204-9006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 88 Hospital Rd Fl 2, Brookville, PA 15825-1368 — (814) 375-4089
  • 354 Alexander Spring Road, Carlisle, PA 17015-7451 — (717) 217-6820
  • 12 St Paul Drive, Chambersburg, PA 17201 — (717) 217-6820
  • 145 Hospital Ave Ste 101, Du Bois, PA 15801-1463 — (814) 375-4089
  • 24 Antrim Commons Drive, Greencastle, PA 17225-1623 — (717) 217-6820
  • 21911 Route 119, Punxsutawney, PA 15767-7922 — (814) 375-4089
  • 601 East Main Street, Waynesboro, PA 17268-2332 — (717) 217-6820

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 0101058348 (VA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence MD31598 (DC)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence MD478729 (PA)

Record details

NPI number1801845284
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 10, 2006
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Dubois Regional Medical Center — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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