Individual provider · Type 1 NPI

Joseph A. Zacharias, MD

Internal Medicine Physician · Marietta, OH

NPI number 1881847572 Active

Practice location

401 Matthew St
Marietta, OH 45750-1635

Call (740) 374-7700 Map

Fax (740) 374-7701

Mailing address

PO Box 449
Marietta, OH 45750-0449

Other practice locations

  • 1106 Colegate Dr, Marietta, OH 45750-1323 · (740) 568-2000
  • 314 S Wells St, Sistersville, WV 26175-1098 · (304) 652-2611

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X35.095854 (OH)
Hospitalist Physician 208M00000X35095854 (OH)

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 1881847572

Joseph A. Zacharias, MD's National Provider Identifier is 1881847572, issued on Oct 28, 2008. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Marietta, OH. The record was last updated on Oct 23, 2026.