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

Mrs. Natalie Ketsia Alphonse Sullivan, MD

Individual provider Radiation Oncology Physician · NPI 1003255761

Mrs. Natalie Ketsia Alphonse Sullivan, MD is a Radiation Oncology in Alexandria, Louisiana. Graduated from Wake Forest University School of Medicine in 2013, 13 years ago. Practices with Lakeland Regional Health Systems Inc, a 503-clinician group and accepts Medicare assignment. Licensed in Florida and Louisiana.

Years since qualifying
13
Trained at
Wake Forest University School of Medicine
Licensed in
FL, LA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3330 Masonic Dr
Alexandria, LA 71301-3841
Phone: (318) 448-6917
Fax: (225) 286-7917
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence ME148133 (FL)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 344149 (LA)

Record details

NPI number1003255761
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2013
Last updated in NPPESFebruary 12, 2026
Certification dateFebruary 12, 2026

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolWAKE FOREST UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Lakeland Regional Health Systems Inc — 503 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Alexandria