Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Ann Kelso, RN
Registered Nurse in Vincennes, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275579393
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Registry record
Entity type Individual (Type 1)
Name Mary Ann Kelso
Credential RN
Sex Female
Practice address 1901 Willow St, Vincennes, IN, 47591
Phone (812) 885-2720
Fax (812) 885-2723
Enumeration date Jun 20, 2006
Last updated in NPPES Aug 23, 2012
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mary Kelso practice?
The practice location on file with NPPES is in Vincennes, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Kelso?
The National Provider Identifier (NPI) for Mary Kelso is 1275579393, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Lora Gray Clinical Social Worker · Vincennes, IN NPI 1043218647 Mark Hill Clinical Social Worker · Vincennes, IN NPI 1487655114 Kelly Miller Social Worker · Vincennes, IN NPI 1699798173 Beth Lindsey Social Worker · Vincennes, IN NPI 1316043581 Katherine Ohanlon Clinical Social Worker · Vincennes, IN NPI 1831266980 Julia Tredway Clinical Social Worker · Vincennes, IN NPI 1558416024 Amy Ridgley Counselor · Vincennes, IN NPI 1538205653 Yvonne Porter Mental Health Counselor · Vincennes, IN NPI 1508902560
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-23.