Individual provider · Type 1 NPI

Mark John Schalk, RN

Registered Nurse · Del City, OK

NPI number 1225981749 Active

Practice location

1900 S Sunnylane Rd
Del City, OK 73115-3102

Call (405) 677-5777 Map

Mailing address

10405 SE 23rd St
Midwest City, OK 73130-7639

Specialties and licenses

TaxonomyCodeLicense
Registered Nurse Primary 163W00000XR0079023 (OK)

Registered Nurse: (1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient…

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About NPI 1225981749

Mark John Schalk, RN's National Provider Identifier is 1225981749, issued on Feb 16, 2026. The primary taxonomy on file is Registered Nurse (163W00000X), and the practice location is in Del City, OK. The record was last updated on Feb 16, 2026.