Alexsander Antonetti Negron, MD
Emergency Medicine Physician · Mayaguez, PR
Alexsander Antonetti Negron, MD is an emergency medicine physician with a practice address in Mayaguez, Puerto Rico, and NPI 1811408503, issued on Oct 20, 2017. Check the license (Puerto Rico 22670, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexsander Antonetti Negron
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 22670 PR
Self-reported in NPPES; status is on the state search - Practice location
- 410 Ave Hostos Ste 2, Mayaguez, PR 00682
- Phone
- (787) 743-3038
- Enumerated
- Oct 20, 2017
- Record last updated
- May 9, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 278 in Puerto Rico → Look up another NPI →
Also registered at 410 Ave Hostos Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexsander Antonetti Negron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 22670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average emergency medicine physician in 2024
324 Medicare Part D claims for 221 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Nabumetone57 claims
- Cephalexin31 claims
- Amoxicillin-Clavulanate Potass23 claims
- Ciprofloxacin Hcl17 claims
- Levofloxacin16 claims
- Prednisone15 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.
Alexsander Antonetti Negron among 278 emergency medicine physician records in Puerto Rico
Alexsander Antonetti Negron, MD is one of 278 emergency medicine physician records with a practice address in Puerto Rico. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 18% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Puerto Rico
There are 278 emergency medicine physician records in Puerto Rico.
All 278 in Puerto Rico → Every provider in Mayaguez → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Betzaida Gonzalez Valentin, M.D.Mayaguez, PR 006821013112317
- Israel LaracuenteMayaguez, PR 006821497229355
- Jose Carrillo, MDSan German, PR 006831831287762
- Jurila Hoxha, M.D.San German, PR 006831881746329
- Jeremy Martinez Toledo, MDSan German, PR 006831215850573
- Hector Pagan, MDSan German, PR 006831659561280
- Astrid Carrero Perez, M.D.Mayaguez, PR 006801043258098
- Ernesto Cruz, MDMayaguez, PR 006801619001252
Common questions
What is Alexsander Antonetti Negron, MD's NPI number?
Alexsander Antonetti Negron, MD's National Provider Identifier (NPI) is 1811408503, issued on Oct 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexsander Antonetti Negron, MD located?
The NPPES record lists a practice address at 410 Ave Hostos Ste 2, Mayaguez, PR, 00682. Phone: (787) 743-3038. Providers update this record themselves, so call before visiting.
How can I verify Alexsander Antonetti Negron, MD's license?
NPPES lists Puerto Rico license number 22670, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alexsander Antonetti Negron, MD prescribe under Medicare Part D?
In 2024, Alexsander Antonetti Negron, MD had 324 Medicare Part D claims for 221 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.