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

Dr. William S Cantwell, MD

Individual provider Internal Medicine Physician · NPI 1851592075

Dr. William S Cantwell, MD is a Critical Care (Intensivists) in Alexandria, Louisiana. Graduated from Louisiana State University School of Medicine in Shreveport in 2005, 21 years ago. Practices with Northeast Texas Intensivists, PLLC, a 49-clinician group and accepts Medicare assignment. Licensed in Louisiana and Texas.

Years since qualifying
21
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
LA, TX
In the registry since
2007
Specialties on file
3
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

211 4th St Emcare
Alexandria, LA 71301-8421
Phone: (727) 533-8707
Fax: (727) 507-3618
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD.201136 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD.201136 (LA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence N3533 (TX)

Record details

NPI number1851592075
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2007
Last updated in NPPESMarch 26, 2013

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 2005 (21 years in practice)
Group practice Northeast Texas Intensivists, Pllc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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