Dr. John Han is a male Internal Medicine Doctor (taxonomy code 207R00000X) located in Longview, Texas. Dr. John Han's NPI Number is #1396125985 and has been listed in the NPI registry for 3 years. Dr. John Han's practice location is listed as: 700 E Marshall Ave Longview, TX 75601-5580 and can be reached via phone at (903) 315-2000.
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