Doctor profile · Federal record

Dr. William Frew, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Marrero, LA

  • NPI 1740556000
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 Medical Center Blvd., ER
Marrero, LA 70072
(504) 349-1533
fax (504) 349-1530

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
July 23, 2015
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Louisiana #207465

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740556000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
2
Medicare allowed
$9,896
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 34 34 $120
99285 Emergency department visit with high level of medical decision making 33 31 $176

In context: peer comparison

Among 10 peers in Marrero Emergency Medicine Physician, average services per provider: 58. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
115
Total drug cost
$779
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 28 27 $206
Ibuprofen Generic 25 25 $119
Cephalexin Generic 18 17 $205
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $56
Prednisone Generic 17 17 $36
Azithromycin Generic 12 12 $66
Pantoprazole Sodium Generic 11 0 $92

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Frew's medical specialty?
Dr. William Frew practices Emergency Medicine Physician in Marrero, LA.
Where does Dr. William Frew practice?
Dr. William Frew practices at 1101 Medical Center Blvd., Marrero, LA 70072. Office phone: 5043491533.
What is Dr. William Frew's NPI?
Dr. William Frew's National Provider Identifier (NPI) is 1740556000, issued by NPPES.
Does Dr. William Frew accept Medicare assignment?
Yes. Dr. William Frew accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Frew commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.