What is Carmen Marrero's specialty?

Carmen Marrero (NPI 1992787048) is a Medicare-billing provider whose primary specialty is Family Practice in San Juan, PR.

Where does Carmen Marrero practice?

Carmen Marrero practices in San Juan, PR, based on the location reported in the CMS Medicare provider datasets for NPI 1992787048.

How much does Medicare pay Carmen Marrero?

Carmen Marrero (NPI 1992787048) received approximately $9K in total Medicare Part B payments, serving 35 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992787048

Carmen MarreroMD

PRACTICEDRA CARMEN M MARRERO PSCSee all providers at this practice →

Family PracticeSan Juan, PRI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

175

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 92 Family Practice providers in PR — top quintile (cohort median 91).

PRESCRIBING · PART D · 2024

Total Rx claims

14,420

Beneficiaries

—

Total drug cost

$786K

Distinct drugs

166

Brand share

20.7%

Top prescribed drugs

Levothyroxine Sodium604 claims

Gabapentin546 claims

Rosuvastatin Calcium529 claims

Alendronate Sodium518 claims

Atorvastatin Calcium463 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Carmen Marrero's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratorio Clinico Sagrado Corazon, Inc Clinical Laboratory · San Juan, PR	19	104
Maria Silva-Coll Diagnostic Radiology · San Juan, PR	11	32

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events