Jose Luis Mercado Santiago, MD
General Practice Physician · Isabela, PR
Jose Luis Mercado Santiago, MD is a general practice physician with a practice address in Isabela, Puerto Rico, and NPI 1306010699, issued on Apr 17, 2008. Check the license (Puerto Rico 17119, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose Luis Mercado Santiago
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 17119 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carr. #2 K.M 106.4, Isabela, PR 00662
- Phone
- (787) 484-1793
- Enumerated
- Apr 17, 2008
- Record last updated
- Mar 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081202000326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Jose Luis Mercado Santiago 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 17119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average general practice physician in 2024
5,572 Medicare Part D claims for 267 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 185 claims were for opioids.
Most prescribed
- Atorvastatin Calcium342 claims
- Losartan Potassium338 claims
- Metformin Hcl223 claims
- Gabapentin177 claims
- Amlodipine Besylate145 claims
- Humulin 70-30145 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.
Jose Luis Mercado Santiago among 4,170 general practice physician records in Puerto Rico
Jose Luis Mercado Santiago, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2004 · median 2004 among the 1,228 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 general practice physician records list a practice address in Isabela
They are 48 of the 397 NPPES records with a practice address in Isabela, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Isabela → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Aracelio Camacho Vega, MDIsabela, PR 006621578574174
- David Kalantar, M.D.Isabela, PR 006621093755332
- Juan Liceaga Sanchez, M.D.Isabela, PR 006621689600678
- Juan Melon-Velez, MDIsabela, PR 006621730278714
- Yanila Mendez-Pietri, M.D.Isabela, PR 006621821181140
- Mayra Del Carmen Mora, MDIsabela, PR 006621467433615
- Luis Nieves Gonzalez, M.D.Isabela, PR 006621215976782
- Olga Padilla, MDIsabela, PR 006621750300802
Common questions
What is Jose Luis Mercado Santiago, MD's NPI number?
Jose Luis Mercado Santiago, MD's National Provider Identifier (NPI) is 1306010699, issued on Apr 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jose Luis Mercado Santiago, MD located?
The NPPES record lists a practice address at Carr. #2 K.M 106.4, Isabela, PR, 00662. Phone: (787) 484-1793. Providers update this record themselves, so call before visiting.
How can I verify Jose Luis Mercado Santiago, MD's license?
NPPES lists Puerto Rico license number 17119, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jose Luis Mercado Santiago, MD prescribe under Medicare Part D?
In 2024, Jose Luis Mercado Santiago, MD had 5,572 Medicare Part D claims for 267 beneficiaries; the average among general practice physician prescribers was 3,030. 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.