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

Sierra Williams Howell, DNP

Individual provider Pediatric Nurse Practitioner · NPI 1790202000

Sierra Williams Howell, DNP is a Pediatric Nurse Practitioner in Bethesda, Maryland. Licensed in Florida. Registered with an NPI since 2017.

Licensed in
FL
In the registry since
2017
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

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Practice location Address checks out

8901 Wisconsin Ave
Bethesda, MD 20889-0004
Phone: (301) 295-8901
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 9296664 (FL)
Military Health Care Provider Taxonomy 171000000X · Licence 9296664 (FL)

Record details

NPI number1790202000
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP
Sole proprietorNo
NPI enumeratedAugust 28, 2017
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025

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