Santiago Llorens Perez, MD
Pediatrics Physician · Mayaguez, PR
Santiago Llorens Perez, MD is a pediatrics physician with a practice address in Mayaguez, Puerto Rico, and NPI 1881759181, issued on Dec 27, 2006. Check the license (Puerto Rico 4631, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Santiago Llorens Perez
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 4631 PR
Self-reported in NPPES; status is on the state search - Practice location
- 50 Tenerife Residencial Sultana, Mayaguez, PR 00680
- Phone
- (787) 265-1000
- Enumerated
- Dec 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 833-3234
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 808 in Puerto Rico → Look up another NPI →
Verify Santiago Llorens Perez 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 4631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average pediatrics physician in 2024
47 Medicare Part D claims, against an average of 375 among the 5,609 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.
Industry payments in 2024: $24.88
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
Santiago Llorens Perez among 808 pediatrics physician records in Puerto Rico
Santiago Llorens Perez, MD is one of 808 pediatrics physician records with a practice address in Puerto Rico. 56% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 47% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 pediatrics physician records list a practice address in Mayaguez
They are 27 of the 1,408 NPPES records with a practice address in Mayaguez, and 808 pediatrics physician records in Puerto Rico.
All 808 in Puerto Rico → Every provider in Mayaguez → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Diana Allende, M.D.Mayaguez, PR 006801518926971
- Zelma Bayron, MDMayaguez, PR 006801306946660
- Luis Boothby, MDMayaguez, PR 006801225010952
- Sandra Fernandez, M.D.Mayaguez, PR 006801932168630
- Sol Garcia, M.D.Mayaguez, PR 006801336108067
- Ramon Machado, M.D.Mayaguez, PR 006801043295454
- Hector Ortiz Martinez, MD FAAPMayaguez, PR 006801386625879
- Angel Pacheco-Vega, MDMayaguez, PR 006801144311838
Common questions
What is Santiago Llorens Perez, MD's NPI number?
Santiago Llorens Perez, MD's National Provider Identifier (NPI) is 1881759181, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Santiago Llorens Perez, MD located?
The NPPES record lists a practice address at 50 Tenerife Residencial Sultana, Mayaguez, PR, 00680. Phone: (787) 265-1000. Providers update this record themselves, so call before visiting.
How can I verify Santiago Llorens Perez, MD's license?
NPPES lists Puerto Rico license number 4631, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Santiago Llorens Perez, MD prescribe under Medicare Part D?
In 2024, Santiago Llorens Perez, MD had 47 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.