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

Dr. Lois Estelle Knapp, MD

Individual provider Specialist · NPI 1578564514

Dr. Lois Estelle Knapp, MD is a Specialist in Bethesda, Maryland. Licensed in Ohio. Registered with an NPI since 2005.

Licensed in
OH
In the registry since
2005
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 Partly verified

Some contact details are missing from the federal record.

National Naval Medical Center 8901 Wisconsin Ave
Bethesda, MD 20889
Phone: (301) 319-4963
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 59219 (OH)

Record details

NPI number1578564514
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2005
Last updated in NPPESJuly 13, 2026

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