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

Timothy David Muir, MD

Individual provider Internal Medicine Physician · NPI 1518012806

Timothy David Muir, MD is an Internal Medicine in Falls Church, Virginia. Graduated from Georgetown University School of Medicine in 1997, 29 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
29
Trained at
Georgetown University School of Medicine
Licensed in
VA
In the registry since
2007
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

500 W Annandale Rd
Falls Church, VA 22046-4205
Phone: (703) 521-6662
Fax: (703) 521-5991
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101226093 (VA)

Record details

NPI number1518012806
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 24, 2007
Last updated in NPPESFebruary 13, 2014

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Falls Church