MATTHEW WILLIAMS C.R.N.A.
NPI 1396134268
Nurse Anesthetist, Certified Registered in Baton Rouge, LA
About Matthew Williams C.r.n.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW WILLIAMS C.R.N.A. (NPI 1396134268) is an individual nurse anesthetist, certified registered in Baton Rouge, Louisiana, licensed in Louisiana (AP08125) and active in the NPI registry since January 2015. He is affiliated with Ochsner Medical Center - Baton Rouge and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Matthew Williams C.r.n.a. 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
5Medicare enrollment records show Matthew Williams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 357 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 107 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 141 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 121 clinicians in this Medicare group
Baton Rouge, LA 70810
- Reassigned Medicare billing, Louisiana enrollment
- 36 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center - Baton Rouge
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
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 Matthew Williams's NPI number?
The NPI number for Matthew Williams is 1396134268. It was assigned to this individual provider in the NPPES registry on January 15, 2015.
Where is Matthew Williams located?
Matthew Williams practices at 7777 Hennessy Blvd Suite 301, Baton Rouge, LA 70808. The listed phone number is (225) 214-6438.
What is Matthew Williams's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Matthew Williams enrolled in Medicare?
Yes. Matthew Williams 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 Matthew Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Williams reassigns Medicare benefits to 5 organizations: Anesthesiology Group Associates Inc (Baton Rouge, LA), The Capital City Anesthesia Group, LLC (Baton Rouge, LA), Diversified Professionals, Inc. (Baton Rouge, LA), Dpi Of Louisiana LLC (Baton Rouge, LA) and Nuedge Anesthesia LLC (Baton Rouge, LA). 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 Matthew Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Williams accept?
Health plans from HMO Louisiana list Matthew Williams 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.
Is Matthew Williams affiliated with any hospitals?
According to CMS data, Matthew Williams is affiliated with Ochsner Medical Center - Baton Rouge.
When was this NPI record last updated?
The NPPES record for Matthew Williams was last updated on January 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Matthew Williams, C.R.N.A. · NPI 1396134268
Nurse Anesthetist, Certified Registered physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since January 15, 2015.
## Identity
- **NPI:** 1396134268 (Entity type: Individual)
- **Enumerated:** January 15, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP08125 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 7777 HENNESSY BLVD, SUITE 301, Baton Rouge, LA 70808-4300
- **Phone:** (225) 214-6438
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Anesthesiology Group Associates Inc (NPI 1255399598, Baton Rouge, LA); The Capital City Anesthesia Group, LLC (NPI 1245282466, Baton Rouge, LA); Diversified Professionals, Inc. (NPI 1700923992, Baton Rouge, LA); Dpi Of Louisiana LLC (NPI 1144083387, Baton Rouge, LA); Nuedge Anesthesia LLC (NPI 1629759782, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 15, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1396134268) · Data from the CMS NPPES public registry.