Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Benedict Furlong Jr., MD

Individual provider Infectious Disease Physician · NPI 1376688598

William Benedict Furlong Jr., MD is an Infectious Disease in Arlington, Virginia. Graduated from University of Pittsburgh School of Medicine in 1981, 45 years ago. Accepts Medicare assignment. Licensed in Maryland and Virginia.

Years since qualifying
45
Trained at
University of Pittsburgh School of Medicine
Licensed in
MD, VA
In the registry since
2007
Specialties on file
2
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

1635 N George Mason Dr Ste 440
Arlington, VA 22205-3617
Phone: (703) 525-7600
Fax: (703) 516-4503
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence D0030694 (MD)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 0101047503 (VA)

Record details

NPI number1376688598
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJanuary 17, 2019

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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