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

Tammy Lynn Walker

Individual provider Registered Nurse · NPI 1124808803

Tammy Lynn Walker is a Nurse Practitioner in Carlisle, Indiana. Qualified in 2023, 3 years ago. Practices with Sullivan County Community Hospital, a 42-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
3
Licensed in
IN
In the registry since
2023
Specialties on file
2

Practice location Address checks out

405 E Harrison St
Carlisle, IN 47838-8127
Phone: (812) 564-6050
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71014487A (IN)
Registered Nurse Taxonomy 163W00000X · Licence 28176873A (IN)

Record details

NPI number1124808803
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 2, 2023
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 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 Sullivan County Community Hospital — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare