Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret D. Mahler, FNP-C
Nurse Practitioner in Gonzales, LA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891018867
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Registry record
Entity type Individual (Type 1)
Name Margaret D. Mahler
Credential FNP-C
Sex Female
Practice address 2647 S Saint Elizabeth Blvd Ste 221, Gonzales, LA, 70737
Phone (225) 765-5500
Fax (225) 743-2103
Enumeration date Mar 5, 2010
Last updated in NPPES Jan 14, 2021
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP06050 (LA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1822728 | Medicaid | LA | - |
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 Margaret Mahler practice?
The practice location on file with NPPES is in Gonzales, LA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Mahler?
The National Provider Identifier (NPI) for Margaret Mahler is 1891018867, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-14.