Doctor profile · Federal record

Dr. Carlos Marrero, MD

Geriatric Medicine (Family Medicine) Physician (CMS: Family Practice) · San Juan, PR

  • NPI 1083774228
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Cesar Gonzalez #463 Urb Roosevelt
San Juan, PR 00918
(787) 274-0277
fax (787) 765-2823
Mailing address
Po Box 366268
San Juan, PR 009366268

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207QG0300X — NUCC code
State license (1)
Puerto Rico #8381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083774228. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
483
Distinct HCPCS
4
Medicare allowed
$53,644
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 318 81 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 129 47 $99
31505 Diagnostic exam of voice box using an endoscope with mirror 25 18 $73
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $191

In context: peer comparison

Among 4 peers in this city , average services per provider: 87. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$136
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $102.10
Janssen Pharmaceuticals, Inc 1 $18.53
Boston Scientific Corporation 1 $15.81

By nature of payment

Food and Beverage
$136

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
347
Patients
118
Total drug cost
$5,951
Drug Type Claims Patients Total cost
Gabapentin Generic 38 12 $293
Atorvastatin Calcium Generic 35 11 $440
Fluticasone Propionate Generic 31 22 $386
Methylprednisolone Generic 28 21 $309
Montelukast Sodium Generic 28 18 $270
Alprazolam Generic 26 0 $124
Azithromycin Generic 21 18 $269
Irbesartan Generic 21 0 $943
Desloratadine Generic 20 16 $423
Celecoxib Generic 19 0 $462

Frequently asked questions

Auto-generated from federal data
What is Dr. Carlos Marrero's medical specialty?
Dr. Carlos Marrero practices Geriatric Medicine (Family Medicine) Physician in San Juan, PR.
Where does Dr. Carlos Marrero practice?
Dr. Carlos Marrero practices at Cesar Gonzalez #463 Urb Roosevelt, San Juan, PR 00918. Office phone: 7872740277.
What is Dr. Carlos Marrero's NPI?
Dr. Carlos Marrero's National Provider Identifier (NPI) is 1083774228, issued by NPPES.
Does Dr. Carlos Marrero accept Medicare assignment?
Yes. Dr. Carlos Marrero accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carlos Marrero commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of voice box using an endoscope with mirror (HCPCS 31505). Source: CMS Medicare Physician & Other Practitioners file.