Jose Antonio Ayala, M.D.
Internal Medicine Physician · Bayamon, PR
Jose Antonio Ayala, M.D. is an internal medicine physician with a practice address in Bayamon, Puerto Rico, and NPI 1538102264, issued on Jun 13, 2006. Check the license (Puerto Rico 8495, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose Antonio Ayala
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8495 PR
Self-reported in NPPES; status is on the state search - Practice location
- 100 Paseo San Pablo, Bayamon, PR 00961
- Phone
- (787) 740-2925
- Enumerated
- Jun 13, 2006
- Record last updated
- Apr 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (787) 786-4667
- Medicare enrollment
- Enrolled (PECOS I20100330000373); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 100 Paseo San Pablo
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jose Antonio 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 8495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.0 times the Medicare Part D claims of the average internal medicine physician in 2024
19,181 Medicare Part D claims for 982 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium1,764 claims
- Amlodipine Besylate1,230 claims
- Losartan Potassium803 claims
- Gabapentin765 claims
- Levothyroxine Sodium704 claims
- Humulin N676 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: $48.18
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Jose Antonio Ayala among 1,146 internal medicine physician records in Puerto Rico
Jose Antonio Ayala, M.D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1984 · median 1996 among the 595 with a school on file
- Record last updated2008 · 55% 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 Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 internal medicine physician records list a practice address in Bayamon
They are 117 of the 2,958 NPPES records with a practice address in Bayamon, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Bayamon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lara Aponte Perez, M.D.Bayamon, PR 009611437154523
- Justino Betancourt, M.D.Bayamon, PR 009611295735363
- Pablo Bisono Rodriguez, M.D.Bayamon, PR 009611366412801
- Carlos Martinez Duran, MDBayamon, PR 009611700863420
- Mitchell Matundan, M.D.Bayamon, PR 009611063489557
- Zahira Najul, MDBayamon, PR 009611760487631
- Jose Negron Maldonado, M.D.Bayamon, PR 009611689611907
- Ruben Otero, M.D.Bayamon, PR 009611528037306
Common questions
What is Jose Antonio Ayala, M.D.'s NPI number?
Jose Antonio Ayala, M.D.'s National Provider Identifier (NPI) is 1538102264, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jose Antonio Ayala, M.D. located?
The NPPES record lists a practice address at 100 Paseo San Pablo, Bayamon, PR, 00961. Phone: (787) 740-2925. Providers update this record themselves, so call before visiting.
How can I verify Jose Antonio Ayala, M.D.'s license?
NPPES lists Puerto Rico license number 8495, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jose Antonio Ayala, M.D. prescribe under Medicare Part D?
In 2024, Jose Antonio Ayala, M.D. had 19,181 Medicare Part D claims for 982 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.