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

Dr. Ron D Ah Loy, MD

Individual provider Internal Medicine Physician · NPI 1598795403

Dr. Ron D Ah Loy, MD is a Gastroenterology in Kamuela, Hawaii. Graduated from University of Hawaii John A. Burns School of Medicine in 1978, 48 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Hawaii.

Years since qualifying
48
Trained at
University of Hawaii John A. Burns School of Medicine
Licensed in
HI
In the registry since
2006
Specialties on file
3
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 checks out

64-5188 Kinohou St
Kamuela, HI 96743-8409
Phone: (808) 887-0600
Fax: (808) 887-6699
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD4748 (HI)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD4748 (HI)
Infectious Disease Physician Taxonomy 207RI0200X · Licence MD4748 (HI)

Record details

NPI number1598795403
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 4, 2006
Last updated in NPPESJune 18, 2008

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Kamuela