Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary I Gutierrez, NP
Nurse Practitioner in Calexico, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023191582
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Registry record
Entity type Individual (Type 1)
Name Mary I Gutierrez
Credential NP
Sex Female
Practice address 408 E 3rd St Ste B, Calexico, CA, 92231
Phone (760) 357-9962
Fax (760) 768-1714
Enumeration date Oct 20, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN454451 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP 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 Mary Gutierrez?
The National Provider Identifier (NPI) for Mary Gutierrez is 1023191582, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Gutierrez practice?
The practice location on file with NPPES is in Calexico, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.