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

Dr. Carlo Aj Oller, MD

Individual provider Emergency Medicine Physician · NPI 1801890140

Dr. Carlo Aj Oller, MD is an Emergency Medicine in Bethlehem, Pennsylvania. Graduated from University of Puerto Rico School of Medicine in 2000, 26 years ago. Practices with St Lukes Physician Group Inc, a 2,127-clinician group and accepts Medicare assignment. Licensed in Florida and Pennsylvania.

Years since qualifying
26
Trained at
University of Puerto Rico School of Medicine
Licensed in
FL, PA
In the registry since
2005
Specialties on file
2
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

801 Ostrum St Ste 1
Bethlehem, PA 18015-1065
Phone: (866) 785-8537
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD420038 (PA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence ME95611 (FL)

Record details

NPI number1801890140
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2005
Last updated in NPPESAugust 11, 2025
Certification dateAugust 6, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice St Lukes Physician Group Inc — 2127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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