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

Catherine E. Semenoff, NP

Individual provider Surgery Physician · NPI 1720355845

Catherine E. Semenoff, NP is a Surgery Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2011.

Licensed in
DC
In the registry since
2011
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

110 Irving St NW
Washington, DC 20010-3017
Phone: (202) 877-7347
Fax: (202) 877-7302
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence RN1008752 (DC)

Record details

NPI number1720355845
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 17, 2011
Last updated in NPPESNovember 17, 2011

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