Individual provider · Type 1 NPI

Sandra O'Neil-Callahan, WHNP-BC

Nurse Practitioner · St. Louis, MO

NPI number 1114279502 Active

Practice location

1110 Highlands Plaza Dr E Ste 280
St. Louis, MO 63110-1351

Fax (314) 286-2621

Mailing address

PO Box 959354
St. Louis, MO 63195-9354

Other practice locations

  • 4251 Forest Park Avenue, St. Louis, MO 63108 · (314) 531-7526

Specialties and licenses

TaxonomyCodeLicense
Nurse Practitioner Primary 363L00000X2012033869 (MO)
Women's Health Nurse Practitioner 363LW0102X2012033869 (MO)

Nurse Practitioner: (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance wit…

8 other providers at this address

Other nurse practitioner providers in St. Louis

See all in St. Louis →

About NPI 1114279502

Sandra O'Neil-Callahan, WHNP-BC's National Provider Identifier is 1114279502, issued on Oct 9, 2012. The primary taxonomy on file is Nurse Practitioner (363L00000X), and the practice location is in St. Louis, MO. The record was last updated on Oct 28, 2026.