Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria Ward Bates, RN
Registered Nurse in Baton Rouge, LA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538220900
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Registry record
Entity type Individual (Type 1)
Name Maria Ward Bates
Credential RN
Sex Female
Practice address 3843 Harding Blvd, Baton Rouge, LA, 70807
Phone (225) 359-9315
Fax (225) 359-9326
Enumeration date Dec 12, 2006
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Maria Bates?
The National Provider Identifier (NPI) for Maria Bates is 1538220900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Bates practice?
The practice location on file with NPPES is in Baton Rouge, LA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Cheryl Peyton Clinical Social Worker · Baton Rouge, LA NPI 1578624961 Saundra Wilson Licensed Practical Nurse · Baton Rouge, LA NPI 1801957204 Joyce Fisher Case Manager/Care Coordinator · Baton Rouge, LA NPI 1679634125 Anjani Narra Psychiatry Physician · Baton Rouge, LA NPI 1285795716 Aniedi Udofa Psychiatry Physician · Baton Rouge, LA NPI 1659432193 Shirley Peak Clinical Social Worker · Baton Rouge, LA NPI 1639230188 Jennifer Cunningham Clinical Social Worker · Baton Rouge, LA NPI 1063573517 Adrianne Rivera Clinical Social Worker · Baton Rouge, LA NPI 1033270590
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.