Individual provider · Type 1 NPI
Joy O'Brien
Internal Medicine Physician · Chestnut Hill, MA
Practice location
25 Boylston St Ste 302
Chestnut Hill, MA 02467-1710
Fax (617) 916-0937
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Internal Medicine Physician Primary | 207R00000X | RN213177 (MA) |
Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…
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About NPI 1689531386
Joy O'Brien's National Provider Identifier is 1689531386, issued on Jan 6, 2026. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Chestnut Hill, MA. The record was last updated on Jan 6, 2026.