HealthCareAtlasUSA

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Doctors / PA

JOHN J OCONNOR, DO

GASTROENTEROLOGY

Graduated: 1995

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1649249806

Practice Locations (1)

REGIONAL GASTROENTEROLOGY ASSOCIATES OF LANCASTER, LTD.

815 SUMNEYTOWN PIKE

LANSDALE, PA 194465390

2152575071

Source: CMS National Downloadable File, September 2026.

JOHN OCONNOR, DO | HealthCareAtlasUSA