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

Dennis D. Beckworth, MD

Individual provider Medical Oncology Physician · NPI 1265460661

Dennis D. Beckworth, MD is a Medical Oncology in Dededo, Guam. Graduated from University of Arkansas College of Medicine in 1971, 55 years ago. Practices with St Joseph Hospital LLC, a 90-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Alaska, Guam, Idaho and Oregon.

Years since qualifying
55
Trained at
University of Arkansas College of Medicine
Licensed in
AK, GU, ID, OR
In the registry since
2006
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

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
Phone: (671) 645-5546
Fax: (671) 645-5549

Additional practice locations (4)

  • 8514 Cormorant Cove Cir, Anchorage, AK 99507-4393 — (907) 562-0321
  • 725 Pole Line Rd W, Twin Falls, ID 83301-5860 — (208) 814-1600
  • 501 Nw Elks Dr Ste 100, Corvallis, OR 97330-3757 — (541) 768-4950
  • 2610 Uhrmann Rd, Klamath Falls, OR 97601-1123 — (541) 274-4171

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD11142 (OR)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 4225 (AK)
Medical Oncology Physician Taxonomy 207RX0202X · Licence MTL-2018-007 (GU)
Medical Oncology Physician Taxonomy 207RX0202X · Licence M-14552 (ID)
Medical Oncology Physician Taxonomy 207RX0202X · Licence M-2121 (GU)

Record details

NPI number1265460661
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESJanuary 20, 2024
Certification dateJanuary 20, 2024

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 1971 (55 years in practice)
Group practice St Joseph Hospital Llc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount