Doctor profile · Federal record

Dr. Carlos Fontanez, M.D.

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

  • NPI 1255403010
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Ave Osvaldo Molina #151, Suite 103
Fajardo, PR 007383614
(787) 801-0081
Mailing address
Po Box 458
Puerto Real, PR 007400458

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
June 23, 2025
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Puerto Rico #16110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255403010. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
1
Medicare allowed
$3,242
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 57 14 $57

In context: peer comparison

Among 4 peers in Fajardo Internal Medicine Physician, average services per provider: 72. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,776
Patients
2,117
Total drug cost
$97,409
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,354 375 $17,174
Losartan Potassium Generic 954 257 $16,888
Metformin Hcl Generic 808 215 $5,272
Gabapentin Generic 776 198 $8,685
Famotidine Generic 686 145 $8,427
Lisinopril Generic 684 156 $4,216
Simvastatin Generic 668 153 $5,127
Levothyroxine Sodium Generic 599 141 $11,293
Amlodipine Besylate Generic 495 132 $2,903
Risperidone Generic 370 56 $3,115

Frequently asked questions

Auto-generated from federal data
What is Dr. Carlos Fontanez's medical specialty?
Dr. Carlos Fontanez practices Internal Medicine Physician in Fajardo, PR.
Where does Dr. Carlos Fontanez practice?
Dr. Carlos Fontanez practices at Ave Osvaldo Molina #151, Fajardo, PR 007383614. Office phone: 7878010081.
What is Dr. Carlos Fontanez's NPI?
Dr. Carlos Fontanez's National Provider Identifier (NPI) is 1255403010, issued by NPPES.
Does Dr. Carlos Fontanez accept Medicare assignment?
Yes. Dr. Carlos Fontanez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carlos Fontanez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.