Doctor profile · Federal record

Dr. Jose Rivera Santiago, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Mayaguez, PR

  • NPI 1811163843
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Cpr Building, Suite 102
Mayaguez, PR 00680
(787) 832-4545
fax (787) 834-1228
Mailing address
246 Calle Ramos Antonini, Urb Ponce de Leon
Mayaguez, PR 006805135

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
August 22, 2016
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Puerto Rico #11060

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811163843. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$8,545
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 55 12 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 32 16 $116

In context: peer comparison

Among 8 peers in this city , average services per provider: 59. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11,565
Patients
1,758
Total drug cost
$108,717
Drug Type Claims Patients Total cost
Simvastatin Generic 1,468 214 $5,979
Losartan Potassium Generic 1,455 214 $15,235
Gabapentin Generic 1,013 176 $6,163
Levothyroxine Sodium Generic 945 145 $12,595
Atorvastatin Calcium Generic 858 130 $6,248
Glimepiride Generic 824 112 $10,273
Metformin Hcl Generic 798 117 $3,592
Metoprolol Succinate Generic 692 99 $7,958
Amlodipine Besylate Generic 633 86 $2,915
Omeprazole Generic 600 95 $4,008

Frequently asked questions

Auto-generated from federal data
What is Dr. Jose Rivera Santiago's medical specialty?
Dr. Jose Rivera Santiago practices Internal Medicine Physician in Mayaguez, PR.
Where does Dr. Jose Rivera Santiago practice?
Dr. Jose Rivera Santiago practices at Cpr Building, Mayaguez, PR 00680. Office phone: 7878324545.
What is Dr. Jose Rivera Santiago's NPI?
Dr. Jose Rivera Santiago's National Provider Identifier (NPI) is 1811163843, issued by NPPES.
Does Dr. Jose Rivera Santiago accept Medicare assignment?
Yes. Dr. Jose Rivera Santiago accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jose Rivera Santiago commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.