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

Dr. Mary Ellen Gallagher, MD

Individual provider Internal Medicine Physician · NPI 1417956814

Dr. Mary Ellen Gallagher, MD is an Internal Medicine in Arlington, Virginia. Qualified in 1999, 27 years ago. Accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
27
Licensed in
VA
In the registry since
2005
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

2501 N Glebe Rd Ste 301
Arlington, VA 22207-3558
Phone: (703) 527-6664
Fax: (703) 527-0655
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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 01235679 (VA)
Pediatrics Physician Taxonomy 208000000X · Licence 0123579 (VA)

Record details

NPI number1417956814
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESApril 17, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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