Individual provider · Type 1 NPI

Mary Kathryn Mercer I, DO

Internal Medicine Physician · Oklahoma City, OK

NPI number 1992807432 Active

Practice location

5622 N Portland Ave, Suite 101
Oklahoma City, OK 73112-2096

Call (405) 942-5513 Map

Fax (405) 943-1661

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X2887 (OK)

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 1992807432

Mary Kathryn Mercer I, DO's National Provider Identifier is 1992807432, issued on Sep 4, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Oklahoma City, OK. The record was last updated on Sep 29, 2026.