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

Dr. Mariles Viloria-Grageda, MD

Individual provider Psychiatry Physician · NPI 1255371738

Dr. Mariles Viloria-Grageda, MD is a Psychiatry in Washington, District of Columbia. Qualified in 1978, 48 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia, Maryland and Virginia.

Years since qualifying
48
Licensed in
DC, MD, VA
In the registry since
2006
Specialties on file
3
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

1730 Rhode Island Ave NW Ste 502
Washington, DC 20036-3117
Phone: (202) 902-7324
Fax: (848) 213-0063
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6910 Richmond Hwy Ste 110, Alexandria, VA 22306-1850 — (703) 660-8100

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 0101265233 (VA)
Psychiatry Physician Taxonomy 2084P0800X · Licence MD600003129 (DC)
Psychiatry Physician Taxonomy 2084P0800X · Licence D0057571 (MD)

Record details

NPI number1255371738
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESNovember 5, 2024
Certification dateNovember 5, 2024

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesNEUROLOGY
Medical schoolOTHER
Graduated 1978 (48 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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