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Physician Profile

Carmen M. Marrero, MD

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At a glance

About Dr. Marrero

Carmen M. Marrero, MD practices family medicine — geriatric medicine in San Juan, PR. Carmen is a 1987 graduate of University of Puerto Rico School of Medicine. Carmen is also listed as specializing in family medicine. According to Medicare claims data, Carmen cared for 62 Medicare patients across 175 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. The provider's National Provider Identifier (NPI) is 1992787048.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Credentials & Licensing

PR licenceAs reported to the NPI registry
No. 9548As reported
NPINational Provider Identifier
1992787048Issued 2005

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Marrero specialize in?

Dr. Marrero is a family doctor in San Juan, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine — Geriatric Medicine”.

NPI registry

Where is Dr. Marrero located?

Dr. Marrero is listed at 488 Carr 845 Urb Purple Tree, San Juan, PR 00926. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Marrero's phone number?

The number on file is (787) 761-1945. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Marrero's NPI number?

Dr. Marrero's National Provider Identifier is 1992787048. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Marrero go to medical school?

Dr. Marrero attended University of Puerto Rico School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Marrero been practicing?

Dr. Marrero has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Marrero do most often?

According to Medicare billing data, Dr. Marrero provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Marrero confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marrero. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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