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

Margret Lynette Callahan

Individual provider Acute Care Nurse Practitioner · NPI 1144195892

Margret Lynette Callahan is a Nurse Practitioner in Greenville, South Carolina. Qualified in 2025, 1 year ago. Works from 2 locations. Licensed in South Carolina.

Years since qualifying
1
Licensed in
SC
In the registry since
2025
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Practice location Address checks out

890 W Faris Rd Ste 580
Greenville, SC 29605-4281
Phone: (864) 455-7874
Fax: (864) 455-8933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 701 Grove Rd, Greenville, SC 29605-4210 — (864) 455-7000

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 30891 (SC)

Record details

NPI number1144195892
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 10, 2025
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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