Individual provider · Type 1 NPI

Ronald J. Janzen, MD

Specialist · Oklahoma City, OK

NPI number 1982643383 Active

Practice location

4200 W Memorial Rd, Suite 212
Oklahoma City, OK 73120-9350

Call (405) 755-2087 Map

Fax (405) 755-2959

Specialties and licenses

TaxonomyCodeLicense
Specialist Primary 174400000X10445 (OK)

Specialist: An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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About NPI 1982643383

Ronald J. Janzen, MD's National Provider Identifier is 1982643383, issued on Jun 4, 2006. The primary taxonomy on file is Specialist (174400000X), and the practice location is in Oklahoma City, OK. The record was last updated on Jul 13, 2026.