Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Joanna Mercado/Alvarado

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1811974496

Joanna Mercado/Alvarado is an Emergency Medical Services (Emergency Medicine) Physician in Carolina, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2005

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Upr Hospital # 3 Road 65TH Infantry Ave
Carolina, PR 00987 Not confirmed with CMS for 15 years — call before visiting
Phone: (787) 757-1800
Fax: (787) 750-0930

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 15353 (PR)

Record details

NPI number1811974496
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedDecember 27, 2005
Last updated in NPPESNovember 1, 2010

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients18
Services billed 28 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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