MR. WILLIAM LOUIS ANDERSON FNP
NPI 1548516073
Nurse Practitioner - Family in Youngsville, LA
About Mr. William Louis Anderson Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM LOUIS ANDERSON FNP (NPI 1548516073) is an individual family provider in Youngsville, Louisiana, licensed in Louisiana (AP06987) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lafayette, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William Louis Anderson Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
11Medicare enrollment records show William Anderson reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Youngsville, LA 70592
- Reassigned Medicare billing, Louisiana enrollment
- 40 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 87 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 39 clinicians in this Medicare group
Lafayette, LA 70503
- Reassigned Medicare billing, Louisiana enrollment
- 241 clinicians in this Medicare group
Lafayette, LA 70503
- Reassigned Medicare billing, Louisiana enrollment
- 87 clinicians in this Medicare group
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
- 65 clinicians in this Medicare group
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
New Iberia, LA 70560
- Reassigned Medicare billing, Louisiana enrollment
- 89 clinicians in this Medicare group
Gonzales, LA 70737
- Reassigned Medicare billing, Louisiana enrollment
- 114 clinicians in this Medicare group
Lake Charles, LA 70605
- Reassigned Medicare billing, Louisiana enrollment
- 314 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70592 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Anderson's NPI number?
The NPI number for William Anderson is 1548516073. It was assigned to this individual provider in the NPPES registry on August 2, 2012. The provider is also known as Mr. Louis Anderson Fnp.
Where is William Anderson located?
William Anderson practices at 1630 Chemin Metairie Pkwy, Youngsville, LA 70592. The listed phone number is (337) 573-1444.
What is William Anderson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is William Anderson enrolled in Medicare?
Yes. William Anderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Anderson reassigns Medicare benefits to 11 organizations: Ahs Walk In Clinic Inc (Youngsville, LA), Lourdes After Hours LLC (Lafayette, LA), Louisiana Orthopaedic Specialists, LLC (Lafayette, LA), Hulin Urgent Care Services, LLC (Lafayette, LA), Coolidge Emergency Group LLC (Lafayette, LA) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Anderson accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list William Anderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Anderson was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. William Louis Anderson, FNP · NPI 1548516073
Family physician in Youngsville, Louisiana. Individual provider, active in the CMS NPPES registry since August 2, 2012.
## Identity
- **NPI:** 1548516073 (Entity type: Individual)
- **Enumerated:** August 2, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP06987 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1630 CHEMIN METAIRIE PKWY, Youngsville, LA 70592-6780
- **Phone:** (337) 573-1444
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Ahs Walk In Clinic Inc (NPI 1639234495, Youngsville, LA); Lourdes After Hours LLC (NPI 1649297730, Lafayette, LA); Louisiana Orthopaedic Specialists, LLC (NPI 1063669612, Lafayette, LA); Hulin Urgent Care Services, LLC (NPI 1598159279, Lafayette, LA); Coolidge Emergency Group LLC (NPI 1801140934, Lafayette, LA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548516073) · Data from the CMS NPPES public registry.