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

Sigrid Williamson, MD

Individual provider Pediatrics Physician · NPI 1891312989

Sigrid Williamson, MD is a Pediatrics Physician in West Reading, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2020.

Licensed in
PA
In the registry since
2020
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

420 S 5th Ave
West Reading, PA 19611-2143
Phone: (484) 628-4908
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MT220886 (PA)
Pediatrics Physician Taxonomy 208000000X · Licence MD490277 (PA)
Pediatric Gastroenterology Physician Taxonomy 2080P0206X · Licence MD490277 (PA)

Record details

NPI number1891312989
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2020
Last updated in NPPESAugust 6, 2025
Certification dateAugust 6, 2025
Mailing addressPo Box 13579, Reading, PA 19612-3579

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