William O. Hurtado-Santiago, MD
Nephrology Physician · Mayaguez, PR
William O. Hurtado-Santiago, MD is a nephrology physician with a practice address in Mayaguez, Puerto Rico, and NPI 1912022310, issued on Mar 21, 2007. Check the license (Puerto Rico 16554, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William O. Hurtado-Santiago
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 16554 PR
Self-reported in NPPES; status is on the state search - Practice location
- 359 Ave Hostos Ste 201, Mayaguez, PR 00680
- Phone
- (939) 475-3432
- Enumerated
- Mar 21, 2007
- Record last updated
- Mar 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (787) 806-2239
- Medicare enrollment
- Enrolled (PECOS I20100208000587); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Also registered at 359 Ave Hostos Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tania Torres Viada, M.D.Internal Medicine Physician1770952988
Verify William O. Hurtado-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 16554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average nephrology physician in 2024
4,949 Medicare Part D claims for 691 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Farxiga880 claims
- Atorvastatin Calcium475 claims
- Jardiance445 claims
- Losartan Potassium357 claims
- Amlodipine Besylate244 claims
- Allopurinol223 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: $60,246.12
100 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US 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.
William O. Hurtado-Santiago among 152 nephrology physician records in Puerto Rico
William O. Hurtado-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 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 47% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2003 · median 2004 among the 124 with a school on file
- Record last updated2019 · 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).
15 nephrology physician records list a practice address in Mayaguez
They are 15 of the 1,408 NPPES records with a practice address in Mayaguez, and 152 nephrology physician records in Puerto Rico.
All 152 in Puerto Rico → Every provider in Mayaguez → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dionisio Acosta, MDMayaguez, PR 006801659724615
- Efrain Flores De Hostos, MDMayaguez, PR 006801083710164
- Josean Flores Santiago, MDMayaguez, PR 006801467938795
- Oliver Guerrero Dujarric, MDMayaguez, PR 006801861598039
- Roberto Lebron Rivera, MDMayaguez, PR 006801215033493
- Enrique Lefevre, MDMayaguez, PR 006801588760763
- Gerardo Medina Caban, MDMayaguez, PR 006801003912288
- Bryan Pagan Rivera, M.D.Mayaguez, PR 006801760846497
Common questions
What is William O. Hurtado-Santiago, MD's NPI number?
William O. Hurtado-Santiago, MD's National Provider Identifier (NPI) is 1912022310, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William O. Hurtado-Santiago, MD located?
The NPPES record lists a practice address at 359 Ave Hostos Ste 201, Mayaguez, PR, 00680. Phone: (939) 475-3432. Providers update this record themselves, so call before visiting.
How can I verify William O. Hurtado-Santiago, MD's license?
NPPES lists Puerto Rico license number 16554, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does William O. Hurtado-Santiago, MD prescribe under Medicare Part D?
In 2024, William O. Hurtado-Santiago, MD had 4,949 Medicare Part D claims for 691 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.