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

Dr. Alan J Watanabe, MD

Individual provider Internal Medicine Physician · NPI 1518961507

Dr. Alan J Watanabe, MD is an Internal Medicine in Columbus, Indiana. Graduated from Indiana University School of Medicine in 1983, 43 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
43
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2005
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

4050 Central Ave
Columbus, IN 47203
Phone: (812) 376-9427
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01032855 (IN)

Record details

NPI number1518961507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2005
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026
Mailing address2955 Franklin Dr, Columbus, IN 47201-2911

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Columbus