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

Dr. Mark Stephen Connelly, MD

Individual provider Pediatrics Physician · NPI 1770876583

Dr. Mark Stephen Connelly, MD is a Pediatrics Physician in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and North Carolina.

Licensed in
DC, NC
In the registry since
2011
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

111 Michigan Ave NW Ste M4800
Washington, DC 20010-2916
Phone: (202) 476-6817
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence MD043066 (DC)
Pediatrics Physician Taxonomy 208000000X · Licence 2014-00895 (NC)

Record details

NPI number1770876583
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2011
Last updated in NPPESJune 15, 2015

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