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

Sarah L Wassink, APNP

Individual provider Nurse Practitioner · NPI 1255614830

Sarah L Wassink, APNP is a Nurse Practitioner in Sheboygan, Wisconsin. Qualified in 2011, 15 years ago. Practices with Oak Medical SC, a 123-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
15
Licensed in
WI
In the registry since
2011
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Practice location Address checks out

3100 Superior Ave
Sheboygan, WI 53081-1994
Phone: (920) 459-8300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 4529-33 (WI)

Record details

NPI number1255614830
Entity typeIndividual (Type 1)
GenderFemale
Credentials APNP
Sole proprietorNo
NPI enumeratedSeptember 21, 2011
Last updated in NPPESJanuary 6, 2026
Certification dateJanuary 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Oak Medical Sc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Sheboygan