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

Sandra Sue Retzky, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1295913226

Sandra Sue Retzky, DO is an Obstetrics & Gynecology Physician in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

146 Marcella Rd
Wilmington, DE 19803-3451
Phone: (302) 540-3463
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence DO 0358 (DE)

Record details

NPI number1295913226
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 31, 2008
Last updated in NPPESJanuary 31, 2008

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