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

Mr. Marshall Patrick Stagg II, MD

Individual provider Hematology & Oncology Physician · NPI 1841281573

Mr. Marshall Patrick Stagg II, MD is a Medical Oncology in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 1986, 40 years ago. Practices with Our Lady of the Lake Physician Group LLC, a 635-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
40
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8585 Picardy Ave Ste 312
Baton Rouge, LA 70809-3748
Phone: (225) 341-8311
Fax: (844) 800-1476
Show map & directions

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

Additional practice locations (1)

  • 5439 Airline Hwy, Baton Rouge, LA 70805-1712 — (225) 358-2313

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 019154 (LA)

Record details

NPI number1841281573
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESApril 7, 2022
Certification dateApril 7, 2022

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1986 (40 years in practice)
Group practice Our Lady Of The Lake Physician Group Llc — 635 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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