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

Tom S. Chien, MD

Individual provider Emergency Medicine Physician · NPI 1225205131

Tom S. Chien, MD is an Emergency Medicine in Arlington, Virginia. Graduated from George Washington University School of Medicine in 2005, 21 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
21
Trained at
George Washington University School of Medicine
Licensed in
VA
In the registry since
2008
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

4501 Arlington Blvd #315
Arlington, VA 22203
Phone: (202) 262-1485
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 0101242208 (VA)

Record details

NPI number1225205131
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 9, 2008
Last updated in NPPESFebruary 11, 2022
Mailing address4501 Arlington Blvd #315, Arlington, VA 22203

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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