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

Andrew Steven Gahagan, MD

Individual provider Hematology & Oncology Physician · NPI 1609372812

Andrew Steven Gahagan, MD is a Hematology/Oncology in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2018, 8 years ago. Practices with Mary Bird Perkins Cancer Center, a 90-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Louisiana.

Years since qualifying
8
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2018
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 →

Practice location Address checks out

4950 Essen Ln
Baton Rouge, LA 70809-3738
Phone: (225) 767-0847
Fax: (225) 767-1335
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 339937 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 339937 (LA)

Record details

NPI number1609372812
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2018
Last updated in NPPESJuly 30, 2024
Certification dateJuly 30, 2024

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2018 (8 years in practice)
Group practice Mary Bird Perkins Cancer Center — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Baton Rouge