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

Dr. Katherine A Laessig, MD

Individual provider Internal Medicine Physician · NPI 1992822894

Dr. Katherine A Laessig, MD is an Internal Medicine Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2007.

Licensed in
DC
In the registry since
2007
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

170114TH St NW
Washington, DC 20009
Phone: (202) 745-7000
Fax: (202) 745-0238
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD21767 (DC)

Record details

NPI number1992822894
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2007
Last updated in NPPESJuly 8, 2007

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