Gaetano Trey Ruggiero, MD
Internal Medicine Physician · Baton Rouge, LA
Gaetano Trey Ruggiero, MD is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1548656432, issued on Apr 8, 2015. Check the license (Louisiana 309555, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gaetano Trey Ruggiero
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 309555 LA
Self-reported in NPPES; status is on the state search - Practice location
- 8585 Picardy Ave, Baton Rouge, LA 70809
- Phone
- (225) 763-4764
- Enumerated
- Apr 8, 2015
- Record last updated
- Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (225) 763-4549
- Medicare enrollment
- Enrolled (PECOS I20180723001014); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 8585 Picardy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gaetano Trey Ruggiero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 309555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
271 Medicare Part D claims for 140 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Ciprofloxacin Hcl16 claims
- Hydrocodone-Acetaminophen13 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.
3 hospitals and group practices
- Baton Rouge General Medical CenterBaton Rouge, LA · Acute Care Hospitals3 of 5 stars
- Baton Rouge Clinic, A Medical CorporationBaton Rouge, LA
- Baton Rouge General Physicians IncBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gaetano Trey Ruggiero among 1,749 internal medicine physician records in Louisiana
Gaetano Trey Ruggiero, 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 2015, is newer than 68% of them.
- NPI issued2015 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2008 among the 1,216 with a school on file
- Record last updated2018 · 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).
256 internal medicine physician records list a practice address in Baton Rouge
They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Baton Rouge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeryl Breaux, M.D.Baton Rouge, LA 708091801823679
- Lalitha Chalasani, M.D.Baton Rouge, LA 708091447258462
- Vernon Chee, M.D.Baton Rouge, LA 708091255442125
- Alina Fotino, M.D.Baton Rouge, LA 708091457460420
- Mark Garbutt, M.D.Baton Rouge, LA 708091861488793
- Brian Gremillion, M.D.Baton Rouge, LA 708091326049545
- Susan McNamara, MDBaton Rouge, LA 708091770535056
- Bradley Meek, M.D.Baton Rouge, LA 708091659379477
Common questions
What is Gaetano Trey Ruggiero, MD's NPI number?
Gaetano Trey Ruggiero, MD's National Provider Identifier (NPI) is 1548656432, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gaetano Trey Ruggiero, MD located?
The NPPES record lists a practice address at 8585 Picardy Ave, Baton Rouge, LA, 70809. Phone: (225) 763-4764. Providers update this record themselves, so call before visiting.
How can I verify Gaetano Trey Ruggiero, MD's license?
NPPES lists Louisiana license number 309555, 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 Gaetano Trey Ruggiero, MD prescribe under Medicare Part D?
In 2024, Gaetano Trey Ruggiero, MD had 271 Medicare Part D claims for 140 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.