Internal Medicine
Dr. MELISSA SIEDSCHLAG M.D.
Identity confirmed via CMS NPPES · September 29, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1093976516 · enumerated 2008-06-18 · record updated 2022-09-22. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Other names: MELISSA DEL CASTILLO
Addresses and phones
- Practice location 111 MICHIGAN AVE NW, WASHINGTON, DC, 20010 (202) 476-6151 Google Maps Apple Maps OpenStreetMap
- Mailing address 11440 COMMERCE PARK DR STE 602, RESTON, VA, 20191-1555 (571) 375-8366 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 45989 AZ
- Pediatrics 208000000X · License MD041306 DC
- Pediatrics, Pediatric Infectious Diseases 2080P0208X · License MD041306 DC
- Internal Medicine 207R00000X · Primary · License D0095556 MD
In this directory
Locations and evidence
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Practice location
WASHINGTON, DC, 20010
Accepting new patientsNot reportedCMS NPPES · September 29, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.