William Frew, M.D.
Emergency Medicine Physician · Marrero, LA
William Frew, M.D. is an emergency medicine physician with a practice address in Marrero, Louisiana, and NPI 1740556000, issued on Mar 30, 2012. Check the license (Louisiana 207465, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Frew
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 207465 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Medical Center Blvd., Marrero, LA 70072
- Phone
- (504) 349-1533
- Enumerated
- Mar 30, 2012
- Entity
- Type 1 · individual
Also registered at 1101 Medical Center Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Argote, MDInternal Medicine Physician1902030497
- Lauren Barial, M.D.Internal Medicine Physician1699758821
- Stacy Efferson, NPFamily Nurse Practitioner1932532637
- Marie Fervil, MDContractor1518076439
- Bonnie Gasquet-Johnson, M.D.Internal Medicine Physician1346475100
- Terran Johnson, MN, FNP-CFamily Nurse Practitioner1538541446
Verify William Frew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 207465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
29% more Medicare Part D claims than the average emergency medicine physician in 2024
458 Medicare Part D claims for 282 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Ibuprofen64 claims
- Ondansetron Odt28 claims
- Prednisone26 claims
- Cephalexin24 claims
- Azithromycin23 claims
- Hydrocodone-Acetaminophen23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
4 hospital and facility affiliations
- Southeastern Emergency Physicians LLCRussellville, AR
- St Martin Emergency Group LLCBreaux Bridge, LA
- St Mary Emergency Group LLCMorgan City, LA
- St. Bernard Emergency Group, LLCChalmette, LA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
23 emergency medicine physician records list a Marrero practice address
They are 23 of the 1,117 NPPES records with a Marrero practice address, and 955 emergency medicine physician records in Louisiana.
All 23 in Marrero → All 955 in Louisiana → Every provider in Marrero →
Other emergency medicine physician records in Louisiana
- Yousef Abdulla, MDKaplan, LA1376122507
- Evangeline Abriam, MDMetairie, LA1861581936
- Alyce Adams, M.D.,CDEWest Monroe, LA1700806767
- Angela Adams, M.D.Alexandria, LA1356652895
- Jerielle AdamsBaton Rouge, LA1174813018
- Kasi Addison, DOShreveport, LA1679034870
- Prateek Adhikari, M.D.New Orleans, LA1083788004
- Rohit Adi, MDBaton Rouge, LA1912012444
- Stephen Agans, MD/MPHMarrero, LA1730377607
- Jude Agendia, MDLake Charles, LA1821287806
Common questions
What is William Frew, M.D.'s NPI number?
William Frew, M.D.'s National Provider Identifier (NPI) is 1740556000, issued on Mar 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Frew, M.D. located?
The NPPES record lists a practice address at 1101 Medical Center Blvd., Marrero, LA, 70072. Phone: (504) 349-1533. Providers update this record themselves, so call before visiting.
How can I verify William Frew, M.D.'s license?
NPPES lists Louisiana license number 207465, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Frew, M.D. prescribe under Medicare Part D?
In 2024, William Frew, M.D. had 458 Medicare Part D claims for 282 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.