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

Individual provider Internal Medicine Physician · NPI 1407018450

Dr. Oliver Cabailo Marasigan, MD is an Internal Medicine in Worcester, Massachusetts. Qualified in 2000, 26 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Pennsylvania.

Years since qualifying
26
Licensed in
MA, PA
In the registry since
2008
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

119 Belmont St
Worcester, MA 01605-2903
Phone: (508) 334-8515
Fax: (508) 334-6490
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 252250 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD434840 (PA)

Record details

NPI number1407018450
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2008
Last updated in NPPESNovember 3, 2020
Certification dateNovember 3, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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