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John Roark is a gastroenterologist professional located in Oakland, CA. They specialize in internal medicine, gastroenterology. With over 19 years of experience, they bring deep expertise to every client.
John Roark holds an active professional license for your protection.
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John Roark is a gastroenterologist serving Oakland, CA. License #G038581 is on file. 19 years in business. Credentials: MD. Use the contact details below to request a quote or ask about availability.
License #G038581 means John Roark is registered with the relevant state or professional board. MD signals additional training and oversight beyond a base license. Always confirm that the license is in good standing on the issuing board's website before booking work.