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

Chelsea J Twamley, CNP

Individual provider Nurse Practitioner · NPI 1760615074

Chelsea J Twamley, CNP is a Nurse Practitioner in Sioux Falls, South Dakota. Qualified in 2009, 17 years ago. Practices with Dakota Vascular Prof LLC, a 6-clinician group and accepts Medicare assignment. Licensed in South Dakota and Vermont.

Years since qualifying
17
Licensed in
SD, VT
In the registry since
2009
Specialties on file
3
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

3801 S Elmwood Ave
Sioux Falls, SD 57105-6565
Phone: (605) 306-6100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence CP000563 (SD)
Nurse Practitioner Taxonomy 363L00000X · Licence CP000563 (SD)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 101.0108558 (VT)

Record details

NPI number1760615074
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedSeptember 2, 2009
Last updated in NPPESJune 19, 2025
Certification dateJune 19, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Dakota Vascular Prof Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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