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

Jay Siwek, MD

Individual provider Family Medicine Physician · NPI 1821021346

Jay Siwek, MD is a Family Medicine Physician in Colmar Manor, Maryland. Licensed in District of Columbia. Registered with an NPI since 2006.

Licensed in
DC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4151 Bladensburg Rd
Colmar Manor, MD 20722-1928
Phone: (202) 269-7172
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD11865 (DC)

Record details

NPI number1821021346
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2006
Last updated in NPPESMarch 19, 2008
Mailing addressPo Box 1471, Merrifield, VA 22116-1471

Other providers in Colmar Manor