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

Dr. William Casey Frew, MD

Individual provider Emergency Medicine Physician · NPI 1740556000

Dr. William Casey Frew, MD is an Emergency Medicine in Marrero, Louisiana. Graduated from University of Alabama School of Medicine in 2008, 18 years ago. Practices with St Mary Emergency Group LLC, a 16-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
18
Trained at
University of Alabama School of Medicine
Licensed in
LA
In the registry since
2012
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

1101 Medical Center Blvd ER
Marrero, LA 70072
Phone: (504) 349-1533
Fax: (504) 349-1530
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 207465 (LA)

Record details

NPI number1740556000
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2012
Last updated in NPPESJuly 23, 2015

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice St Mary Emergency Group Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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