Jose Santiago-Santiago, MD
Nephrology Physician · San Juan, PR
Jose Santiago-Santiago, MD is a nephrology physician with a practice address in San Juan, Puerto Rico, and NPI 1619071859, issued on Sep 8, 2006. Check the license (Puerto Rico 14403, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose Santiago-Santiago
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 14403 PR
Self-reported in NPPES; status is on the state search - Practice location
- 363 Calle Jose M Espinosa, San Juan, PR 00926
- Phone
- (787) 602-3072
- Enumerated
- Sep 8, 2006
- Record last updated
- Jul 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071004000029); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Verify Jose Santiago-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 14403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average nephrology physician in 2024
1,316 Medicare Part D claims for 242 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Calcitriol121 claims
- Farxiga76 claims
- Calcium Acetate56 claims
- Allopurinol53 claims
- Amlodipine Besylate43 claims
- Sevelamer Carbonate41 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: $25.00
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Bills Medicare through one group practice
- San Juan Nephrology PscSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jose Santiago-Santiago among 152 nephrology physician records in Puerto Rico
Jose Santiago-Santiago, MD is one of 152 nephrology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 63% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2001 · median 2004 among the 124 with a school on file
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Puerto Rico
There are 152 nephrology physician records in Puerto Rico.
All 152 in Puerto Rico → Every provider in San Juan → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Rafael Ramirez, M.D.San Juan, PR 009261417071929
- Francisco Torre, MDSan Juan, PR 009261063577385
- Enrique Ortiz-Kidd, M.D.San Juan, PR 009271538289897
- Eduardo Diaz, MDRio Piedras, PR 009241942328596
- Hector Cordova-Rivera, M.D.San Juan, PR 009211023060563
- Deniz Garcia-De La Rosa, MDRio Piedras, PR 009211811992712
- Ileana Ocasio Melendez, M.D.San Juan, PR 009211013140292
- Giuliani Oliveras MaldonadoSan Juan, PR 009211912560194
Common questions
What is Jose Santiago-Santiago, MD's NPI number?
Jose Santiago-Santiago, MD's National Provider Identifier (NPI) is 1619071859, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jose Santiago-Santiago, MD located?
The NPPES record lists a practice address at 363 Calle Jose M Espinosa, San Juan, PR, 00926. Phone: (787) 602-3072. Providers update this record themselves, so call before visiting.
How can I verify Jose Santiago-Santiago, MD's license?
NPPES lists Puerto Rico license number 14403, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jose Santiago-Santiago, MD prescribe under Medicare Part D?
In 2024, Jose Santiago-Santiago, MD had 1,316 Medicare Part D claims for 242 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.