William Anthony Cefalu, MD
Internal Medicine Physician · Morgan City, LA
William Anthony Cefalu, MD is an internal medicine physician with a practice address in Morgan City, Louisiana, and NPI 1780908780, issued on Mar 19, 2010. Check the license (Louisiana MD204658, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Anthony Cefalu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD204658 LA
Self-reported in NPPES; status is on the state search - Practice location
- 912 Marguerite St, Morgan City, LA 70380
- Phone
- (985) 221-5321
- Enumerated
- Mar 19, 2010
- Record last updated
- May 15, 2024
- Fax
- (985) 221-4895
- Medicare enrollment
- Enrolled (PECOS I20140205001382); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 912 Marguerite St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aimee Arceneaux, NPNurse Practitioner1699010710
Verify William Anthony Cefalu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD204658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average internal medicine physician in 2024
14,861 Medicare Part D claims for 1,084 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 456 claims were for opioids.
Most prescribed
- Pantoprazole Sodium594 claims
- Rosuvastatin Calcium594 claims
- Levothyroxine Sodium593 claims
- Atorvastatin Calcium499 claims
- Furosemide446 claims
- Amlodipine Besylate425 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.
Industry payments in 2024: $942.49
59 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ochsner Clinic LLCMorgan City, LA
- Prevention Plus Clinic LLCMorgan City, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Anthony Cefalu among 1,749 internal medicine physician records in Louisiana
William Anthony Cefalu, MD is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 56% of them.
- NPI issued2010 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2010 · median 2008 among the 1,216 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Morgan City
They are 7 of the 222 NPPES records with a practice address in Morgan City, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Morgan City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lianter Albert, MDMorgan City, LA 703801407848591
- Juan Blanch, MDMorgan City, LA 703801124068127
- Natalie Dishman, M.D.Morgan City, LA 703801225036833
- Eric Melancon, M.D.Morgan City, LA 703801609955137
- Francis Metz, M.D.Morgan City, LA 703801447257001
- Carla Thurston, MDMorgan City, LA 703801083874929
- Saria Gouher, M.B; B.S, M.D.Raceland, LA 703941922260074
- John King, MDRaceland, LA 703941285674119
Common questions
What is William Anthony Cefalu, MD's NPI number?
William Anthony Cefalu, MD's National Provider Identifier (NPI) is 1780908780, issued on Mar 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Cefalu, MD located?
The NPPES record lists a practice address at 912 Marguerite St, Morgan City, LA, 70380. Phone: (985) 221-5321. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Cefalu, MD's license?
NPPES lists Louisiana license number MD204658, 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 Anthony Cefalu, MD prescribe under Medicare Part D?
In 2024, William Anthony Cefalu, MD had 14,861 Medicare Part D claims for 1,084 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.