Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Luis Martinez-Sierra, MD

Individual provider Gastroenterology Physician · NPI 1376673335

Dr. Luis Martinez-Sierra, MD is a Gastroenterology in Ponce, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 1973, 53 years ago. Practices with Ponce Gastroenterology Society, a 3-clinician group and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
53
Trained at
University of Puerto Rico School of Medicine
Licensed in
PR
In the registry since
2007
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.

Santa Maria Medical 450 Calle Ferrocarril Ste 210
Ponce, PR 00717-1105
Phone: (787) 840-5042
Fax: (787) 841-6849

No coordinates on file. Search this address in Google Maps

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4589 (PR)

Record details

NPI number1376673335
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 7, 2007
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 1973 (53 years in practice)
Group practice Ponce Gastroenterology Society — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Ponce