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

Joel Marc C Rubio, MD

Individual provider Internal Medicine Physician · NPI 1639289499

Joel Marc C Rubio, MD is an Internal Medicine in Dededo, Guam. Graduated from State University of New York at Stony Brook, School of Medicine in 1985, 41 years ago. Accepts Medicare assignment. Licensed in Guam.

Years since qualifying
41
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
GU
In the registry since
2006
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 may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

133 Route 3
Dededo, GU 96929-6911
Phone: (671) 645-5500

No coordinates on file. Search this address in Google Maps

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence M-1251 (GU)
Internal Medicine Physician Taxonomy 207R00000X · Licence M-1251 (GU)

Record details

NPI number1639289499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESFebruary 1, 2026
Certification dateFebruary 1, 2026
Mailing addressPo Box 9969, Tamuning, GU 96931-5969

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesENDOCRINOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Dededo