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

Dr. Oscar Andres Guillama, MD

Individual provider Diagnostic Radiology Physician · NPI 1003378977

Dr. Oscar Andres Guillama, MD is a Diagnostic Radiology in Houston, Texas. Graduated from San Juan Bautista School of Medicine in 2020, 6 years ago. Practices as a sole proprietor and works from 4 locations. Licensed in Puerto Rico and Texas.

Years since qualifying
6
Trained at
San Juan Bautista School of Medicine
Licensed in
PR, TX
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Pressler St
Houston, TX 77030-3722
Phone: (713) 792-6182
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • Autopista Luis A Ferre Salida 21 Carr 12, Caguas, PR 00726 — (787) 743-3038
  • San Juan City Hospital, Rio Piedras, PR 00917 — (787) 480-2791
  • 1 Baylor Plz, Houston, TX 77030-3498 — (713) 798-4951

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence BP10073826 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
General Practice Physician Taxonomy 208D00000X · Licence 34923R (PR)

Record details

NPI number1003378977
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2019
Last updated in NPPESApril 28, 2026
Certification dateApril 28, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolSAN JUAN BAUTISTA SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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