Doctor profile · Federal record
Dr. Carlos Guerra-Santiago, MD
Specialist (CMS: Nephrology) · San Juan, PR
- NPI 1831182773
- Accepts Medicare
- 55 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Torre Auxilio Mutuo Suite 712, Ave. Ponce de Leon 735
San Juan, PR 009170712
(787) 773-8040
fax (787) 773-8041
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- January 13, 2010
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Puerto Rico #4047
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831182773. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$122
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $77.35 | |
| GlaxoSmithKline, LLC. | 1 | $45.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
152
Patients
0
Total drug cost
$15,399
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sevelamer Carbonate | Generic | 35 | 0 | $6,101 |
| Gabapentin | Generic | 23 | 0 | $398 |
| Lanthanum Carbonate | Generic | 18 | 0 | $6,658 |
| Clonazepam | Generic | 17 | 0 | $93 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 15 | 0 | $207 |
| Amlodipine Besylate | Generic | 11 | 0 | $48 |
| Humulin 70-30 (Insulin Nph Hum/Reg Insulin Hm) | Brand | 11 | 0 | $1,704 |
| Rosuvastatin Calcium | Generic | 11 | 0 | $69 |
| Warfarin Sodium | Generic | 11 | 0 | $121 |
Frequently asked questions
What is Dr. Carlos Guerra-Santiago's medical specialty?
Dr. Carlos Guerra-Santiago practices Specialist in San Juan, PR.
Where does Dr. Carlos Guerra-Santiago practice?
Dr. Carlos Guerra-Santiago practices at Torre Auxilio Mutuo Suite 712, San Juan, PR 009170712. Office phone: 7877738040.
What is Dr. Carlos Guerra-Santiago's NPI?
Dr. Carlos Guerra-Santiago's National Provider Identifier (NPI) is 1831182773, issued by NPPES.
Does Dr. Carlos Guerra-Santiago accept Medicare assignment?
Yes. Dr. Carlos Guerra-Santiago accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.