Public provider listing
Dr. John Castor
Dr. John Castor is a Gastroenterologist practice in Westerville, OH. Rated 4.9 from 49 public reviews. Phone and website are listed.

Address
431 Altair Pkwy, Westerville, OH 43082
Westerville, OH 43082
Phone
(614) 754-5500Website
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Sources
- google-maps-octoparse-account-reuse · checked Aug 28, 2026
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Review details are not available here. The listing reports 49 public reviews.





