Yue Sai Jao Ayala, MD
Gastroenterology Physician · Mayaguez, PR
Yue Sai Jao Ayala, MD is a gastroenterology physician with a practice address in Mayaguez, Puerto Rico, and NPI 1952858896, issued on Sep 8, 2016. Check the license (Puerto Rico 22519, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yue Sai Jao Ayala
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 22519 PR
Self-reported in NPPES; status is on the state search - Practice location
- Mayaguez Medical Ctr, Mayaguez, PR 00682
- Phone
- (787) 652-9200
- Enumerated
- Sep 8, 2016
- Record last updated
- Jul 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250825002511); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 203 in Puerto Rico → Look up another NPI →
Also registered at Mayaguez Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lillyanette Del Valle Rodriguez, SRNARegistered Nurse1629962394
- Brian Gonzalez Moreno, MDStudent in an Organized Health Care Education/Training Program1144118662
- Juan Maldonado Ramirez, MDGeneral Practice Physician1871326033
- Julianna Munoz-Silva, MDStudent in an Organized Health Care Education/Training Program1679329841
Verify Yue Sai Jao 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 22519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gastroenterology physician in 2024
171 Medicare Part D claims for 38 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole30 claims
- Mesalamine23 claims
- Famotidine15 claims
- Sucralfate14 claims
- Humira(Cf) Pen12 claims
- Prednisone11 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: $1,895.37
29 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Yue Sai Jao Ayala among 203 gastroenterology physician records in Puerto Rico
Yue Sai Jao Ayala, MD is one of 203 gastroenterology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 89% of them.
- NPI issued2016 · 89% of these records are older, 6% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Record last updated2025 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Puerto Rico
There are 203 gastroenterology physician records in Puerto Rico.
All 203 in Puerto Rico → Every provider in Mayaguez → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ramon De Jesus, M.D.San German, PR 006831558485771
- Raul Marquez SantiagoSan German, PR 006831063406643
- Maria Rios-Enriquez, MDSan German, PR 006831811988199
- Jose Baez, M.D.Mayaguez, PR 006801154443661
- Viviana Caban Garces, M.D.Mayaguez, PR 006801205941580
- Francisco Cebollero, M.D.Mayaguez, PR 006801073674271
- Priscilla Medero-Rodriguez, M.D.Mayaguez, PR 006801942564794
- Carlos Micames, MDMayaguez, PR 006801598787491
Common questions
What is Yue Sai Jao Ayala, MD's NPI number?
Yue Sai Jao Ayala, MD's National Provider Identifier (NPI) is 1952858896, issued on Sep 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Yue Sai Jao Ayala, MD located?
The NPPES record lists a practice address at Mayaguez Medical Ctr, Mayaguez, PR, 00682. Phone: (787) 652-9200. Providers update this record themselves, so call before visiting.
How can I verify Yue Sai Jao Ayala, MD's license?
NPPES lists Puerto Rico license number 22519, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Yue Sai Jao Ayala, MD prescribe under Medicare Part D?
In 2024, Yue Sai Jao Ayala, MD had 171 Medicare Part D claims for 38 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.