# GREGORY JAMES CHALLENER, MD
> **RHEUMATOLOGY** · OAK BLUFFS, MA · Offers telehealth
## Provider
- **NPI:** 1659831865
- **Credential:** MD
- **Primary specialty:** RHEUMATOLOGY
- **Gender:** Male
- **Medical school:** UNIVERSITY OF MINNESOTA MEDICAL SCHOOL
- **Graduation year:** 2019
## Practice
- **Address:** 1 HOSPITAL RD, OAK BLUFFS, MA 025571406
- **Phone:** 5086930410
- **Accepts Medicare assignment:** Yes (individual)
- **Telehealth:** Yes
## Source
- [NPI Registry](https://npiregistry.cms.hhs.gov/provider-view/1659831865)
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