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

Dr. Frank Esteban Morales Barreto, MD

Individual provider Internal Medicine Physician · NPI 1902912082

Dr. Frank Esteban Morales Barreto, MD is an Internal Medicine in San Juan, Puerto Rico. Qualified in 1993, 33 years ago. Practices with Asociacion De Maestros De P R, a 9-clinician group and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
33
Licensed in
PR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address may be wrong

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

554 Calle Juan J Jimenez
San Juan, PR 00918-3722
Phone: (787) 274-1472
Fax: (787) 759-8901

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 12700 (PR)

Record details

NPI number1902912082
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2006
Last updated in NPPESFebruary 4, 2020
Certification dateFebruary 4, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Asociacion De Maestros De P R — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Juan