Doctor profile · Federal record

Dr. Bryan Santiago Diaz, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Caguas, PR

  • NPI 1740733427
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2.8 Carr 189, N/A
Caguas, PR 007256163
(787) 981-0804
Mailing address
Q1 Calle Santa Lucia, Santa Elvira
Caguas, PR 007253440

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
December 30, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Puerto Rico #19432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740733427. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 1 $106.25

By nature of payment

Food and Beverage
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
108
Total drug cost
$572
Drug Type Claims Patients Total cost
Famotidine Generic 37 37 $181
Ciprofloxacin Hcl Generic 30 30 $125
Metronidazole Generic 23 23 $150
Azithromycin Generic 18 18 $115

Frequently asked questions

Auto-generated from federal data
What is Dr. Bryan Santiago Diaz's medical specialty?
Dr. Bryan Santiago Diaz practices Internal Medicine Physician in Caguas, PR.
Where does Dr. Bryan Santiago Diaz practice?
Dr. Bryan Santiago Diaz practices at 2.8 Carr 189, Caguas, PR 007256163. Office phone: 7879810804.
What is Dr. Bryan Santiago Diaz's NPI?
Dr. Bryan Santiago Diaz's National Provider Identifier (NPI) is 1740733427, issued by NPPES.
Does Dr. Bryan Santiago Diaz accept Medicare assignment?
Yes. Dr. Bryan Santiago Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.