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

Regan Leigh Hammell, CNP

Individual provider Otolaryngology Physician · NPI 1629858469

Regan Leigh Hammell, CNP is a Nurse Practitioner in Sioux Falls, South Dakota. Qualified in 2023, 3 years ago. Practices with Avera McKennan, a 962-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
3
Licensed in
SD
In the registry since
2023
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

1417 S Cliff Ave
Sioux Falls, SD 57105-1022
Phone: (605) 504-3000
Fax: (605) 504-3001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence CP002976 (SD)

Record details

NPI number1629858469
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedSeptember 29, 2023
Last updated in NPPESJune 23, 2025
Certification dateJune 23, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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