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

Dr. Guillermo Pico-Alonso, MD

Individual provider Ophthalmology Physician · NPI 1851381305

Dr. Guillermo Pico-Alonso, MD is an Ophthalmology in Hato Rey, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 1970, 56 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
56
Trained at
University of Puerto Rico School of Medicine
Licensed in
PR
In the registry since
2005
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.

Ave Ponce De Leon #715 Pda 37 1/2
Hato Rey, PR 00919-1227
Phone: (787) 409-4275

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 4642 (PR)

Record details

NPI number1851381305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 26, 2005
Last updated in NPPESJune 6, 2024
Certification dateMay 30, 2024

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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