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

Mr. Marshall K. Walker, MD

Individual provider Diagnostic Radiology Physician · NPI 1619295441

Mr. Marshall K. Walker, MD is a Diagnostic Radiology in Mobile, Alabama. Graduated from Tulane University School of Medicine in 2010, 16 years ago. Practices with Radiology Imaging Specialists LLC, an 18-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Alabama, Florida, Kentucky and Mississippi.

Years since qualifying
16
Trained at
Tulane University School of Medicine
Licensed in
AL, FL, KY, MS
In the registry since
2010
Specialties on file
8
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

3610 Springhill Memorial Dr N
Mobile, AL 36608-1162
Phone: (251) 410-3600
Fax: (251) 410-3743
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4250 Hospital Dr, Marianna, FL 32446-1917 — (850) 526-2200

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence MD.31143 (AL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence C3071 (KY)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 24945 (MS)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence ME170526 (FL)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 31143 (AL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 24945 (MS)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence C3071 (KY)

Record details

NPI number1619295441
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 4, 2010
Last updated in NPPESNovember 21, 2025
Certification dateNovember 21, 2025
Mailing address3610 Springhill Memorial Dr N, Mobile, AL 36608-1162

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Radiology Imaging Specialists Llc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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