Israel Ayala, MD
Emergency Medicine Physician · San Juan, PR
Israel Ayala, MD is an emergency medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1255317921, issued on Dec 15, 2005. Check the license (Puerto Rico 5546, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Israel Ayala
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5546 PR
Self-reported in NPPES; status is on the state search - Practice location
- Administracion DE Servicios Medicos, San Juan, PR 00926
- Phone
- (787) 777-3483
- Enumerated
- Dec 15, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 278 in Puerto Rico → Look up another NPI →
Verify Israel Ayala 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 5546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
57 Medicare Part D claims for 11 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Israel Ayala among 278 emergency medicine physician records in Puerto Rico
Israel Ayala, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2007 · 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 San Juan → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mario Acosta Duarte, M.D.San Juan, PR 009261568416659
- Blas Arroyo Marrero, MDSan Juan, PR 009261225087620
- Luis Clas, M.D.San Juan, PR 009261497733349
- Olga Cruz, MDSan Juan, PR 009261609852383
- Wilfredo Diaz, MDSan Juan, PR 009261720063316
- Jorge GagoSan Juan, PR 009261487693719
- Jose Garcia, M.D.San Juan, PR 009261073551875
- Flor Garcia, M.D.San Juan, PR 009261598703365
Common questions
What is Israel Ayala, MD's NPI number?
Israel Ayala, MD's National Provider Identifier (NPI) is 1255317921, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Israel Ayala, MD located?
The NPPES record lists a practice address at Administracion DE Servicios Medicos, San Juan, PR, 00926. Phone: (787) 777-3483. Providers update this record themselves, so call before visiting.
How can I verify Israel Ayala, MD's license?
NPPES lists Puerto Rico license number 5546, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Israel Ayala, MD prescribe under Medicare Part D?
In 2024, Israel Ayala, MD had 57 Medicare Part D claims for 11 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.