Doctor profile · Federal record

Dr. William Hurtado-Santiago, MD

Nephrology Physician (CMS: Nephrology) · Mayaguez, PR

  • NPI 1912022310
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
359 Ave Hostos Ste 201
Mayaguez, PR 006801507
(939) 475-3432
fax (787) 806-2239
Mailing address
357 Ave Hostos Ste 203
Mayaguez, PR 006801535

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
March 12, 2019
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Puerto Rico #16554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912022310. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
2
Medicare allowed
$9,277
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 18 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 32 23 $126

In context: peer comparison

Among 4 peers in this city , average services per provider: 32. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$60,246
Transactions
100
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
CALLIDITAS THERAPEUTICS US INC. 26 $20,952.39
AstraZeneca Pharmaceuticals LP 21 $14,537.20
Boehringer Ingelheim Pharmaceuticals, Inc. 20 $12,220.80
Lilly USA, LLC 11 $11,557.99
Amgen Inc. 4 $265.09
Travere Therapeutics, Inc. 1 $125.32
Medtronic, Inc. 3 $98.75
NXSTAGE MEDICAL, INC. 1 $96.04
ANI Pharmaceuticals, Inc. 3 $91.79
Boston Scientific Corporation 2 $80.72
Otsuka America Pharmaceutical, Inc. 3 $73.75
Bayer Puerto Rico Inc. 2 $51.01
GlaxoSmithKline, LLC. 1 $45.10
Novartis Pharmaceuticals Corporation 1 $25.17
Bayer Healthcare Pharmaceuticals Inc. 1 $25.00

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$33,010
Honoraria
$16,863
Travel and Lodging
$6,932
Food and Beverage
$3,441

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,662
Patients
738
Total drug cost
$844,852
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 723 176 $483,357
Losartan Potassium Generic 407 105 $5,013
Allopurinol Generic 192 48 $1,272
Atorvastatin Calcium Generic 176 73 $1,507
Jardiance (Empagliflozin) Brand 176 61 $133,202
Amlodipine Besylate Generic 147 53 $835
Lisinopril Generic 143 48 $825
Kerendia (Finerenone) Brand 138 28 $97,917
Sevelamer Carbonate Generic 135 27 $16,560
Metoprolol Succinate Generic 85 30 $1,015

Frequently asked questions

Auto-generated from federal data
What is Dr. William Hurtado-Santiago's medical specialty?
Dr. William Hurtado-Santiago practices Nephrology Physician in Mayaguez, PR.
Where does Dr. William Hurtado-Santiago practice?
Dr. William Hurtado-Santiago practices at 359 Ave Hostos Ste 201, Mayaguez, PR 006801507. Office phone: 9394753432.
What is Dr. William Hurtado-Santiago's NPI?
Dr. William Hurtado-Santiago's National Provider Identifier (NPI) is 1912022310, issued by NPPES.
Does Dr. William Hurtado-Santiago accept Medicare assignment?
Yes. Dr. William Hurtado-Santiago accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hurtado-Santiago commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.