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

Dr. Robert Alan Nussbaum, MD

Individual provider Gastroenterology Physician · NPI 1659364511

Dr. Robert Alan Nussbaum, MD is a Gastroenterology in Alexandria, Virginia. Graduated from Icahn School of Medicine at Mount Sinai in 1986, 40 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
40
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
VA
In the registry since
2005
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

6355 Walker Ln Ste # 309
Alexandria, VA 22310-3245
Phone: (703) 313-8400
Fax: (703) 313-9666
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 0101047887 (VA)

Record details

NPI number1659364511
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 25, 2005
Last updated in NPPESMarch 2, 2014
Mailing address6355 Walker Ln, Suite # 309, Alexandria, VA 22310-3245

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1986 (40 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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