Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Efrain A. Marcantoni, MD

Individual provider Internal Medicine Physician · NPI 1053387993

Dr. Efrain A. Marcantoni, MD is an Internal Medicine in Ciales, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 1982, 44 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Puerto Rico.

Years since qualifying
44
Trained at
University of Puerto Rico School of Medicine
Licensed in
PR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

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

12 Calle Ignacio Fernandez
Ciales, PR 00638-3242
Phone: (787) 871-3677
Fax: (787) 871-4972

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 7712 (PR)

Record details

NPI number1053387993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025
Mailing address12 Calle Ignacio Fernandez, Ciales, PR 00638-3242

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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