John Ahmed Negron Medina, MD
Emergency Medicine Physician · Dorado, PR
John Ahmed Negron Medina, MD is an emergency medicine physician with a practice address in Dorado, Puerto Rico, and NPI 1700411543, issued on Mar 11, 2020. Check the license (Puerto Rico 36600R, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Ahmed Negron Medina
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 36600R PR
Self-reported in NPPES; status is on the state search - Practice location
- Sabanera DE Dorado, Camino DE Susua, 417, Dorado, PR 00646
- Phone
- (787) 648-0577
- Enumerated
- Mar 11, 2020
- Record last updated
- Apr 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20240916001256); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 278 in Puerto Rico → Look up another NPI →
Verify John Ahmed Negron Medina 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 36600RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average emergency medicine physician in 2024
101 Medicare Part D claims for 79 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen19 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.
Bills Medicare through one group practice
- Emergency Coverage LLCWilson, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Ahmed Negron Medina among 278 emergency medicine physician records in Puerto Rico
John Ahmed Negron Medina, 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 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2021 · median 2013 among the 81 with a school on file
- Record last updated2024 · 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).
5 emergency medicine physician records list a practice address in Dorado
They are 5 of the 389 NPPES records with a practice address in Dorado, and 278 emergency medicine physician records in Puerto Rico.
All 278 in Puerto Rico → Every provider in Dorado → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marta Klachko Longo, M.D.Dorado, PR 006461427249945
- Nannette Lugo-Amador, MDSan Juan, PR 006461306927470
- Gadiel Merced Alvarez, MDDorado, PR 006461801084512
- Dorayde Quinones-Foster, MDDorado, PR 006461801841309
- Angel Rocafort-Marquez, MDDorado, PR 006461184838633
- Robert Axtmayer Carcache, MDSabana Grande, PR 006371114481793
- Harry Reyes, M.D.Hatillo, PR 006591245266105
- Samuel Rivera Natal, MDHatillo, PR 006591639119670
Common questions
What is John Ahmed Negron Medina, MD's NPI number?
John Ahmed Negron Medina, MD's National Provider Identifier (NPI) is 1700411543, issued on Mar 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Ahmed Negron Medina, MD located?
The NPPES record lists a practice address at Sabanera DE Dorado, Camino DE Susua, 417, Dorado, PR, 00646. Phone: (787) 648-0577. Providers update this record themselves, so call before visiting.
How can I verify John Ahmed Negron Medina, MD's license?
NPPES lists Puerto Rico license number 36600R, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does John Ahmed Negron Medina, MD prescribe under Medicare Part D?
In 2024, John Ahmed Negron Medina, MD had 101 Medicare Part D claims for 79 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.