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

Dr. Fermin Antonio Lopez, MD

Individual provider Internal Medicine Physician · NPI 1356572556

Dr. Fermin Antonio Lopez, MD is an Internal Medicine in Humacao, Puerto Rico. Qualified in 2007, 19 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
19
Licensed in
PR
In the registry since
2009
Specialties on file
4
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.

Reparto Mendoza B3
Humacao, PR 00791-2840
Phone: (787) 433-1994
Fax: (787) 719-3381

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 17676 (PR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17676 (PR)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 17575 (PR)
General Practice Physician Taxonomy 208D00000X · Licence 17676 (PR)

Record details

NPI number1356572556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 5, 2009
Last updated in NPPESAugust 26, 2025
Certification dateAugust 19, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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