HealthCareAtlasUSA

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Doctors / CA

WILLIAM K KNAPP, DO

INTERNAL MEDICINE

Graduated: 2009

NPI: 1710207543

Practice Locations (1)

JOHN MUIR PHYSICIAN NETWORK

2700 GRANT ST, SUITE 200

CONCORD, CA 945202270

9256740500

Source: CMS National Downloadable File, September 2026.

WILLIAM KNAPP, DO | HealthCareAtlasUSA