DR. WILLIAM BENJAMIN SMITH D.O.
NPI 1790079325
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Hammond, LA
About Dr. William Benjamin Smith D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM BENJAMIN SMITH D.O. (NPI 1790079325) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Hammond, Louisiana, licensed in Louisiana (303359) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. William Benjamin Smith D.o. 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
3Medicare enrollment records show William Smith reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 310 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 218 clinicians in this Medicare group
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 450 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Smith's NPI number?
The NPI number for William Smith is 1790079325. It was assigned to this individual provider in the NPPES registry on May 31, 2011.
Where is William Smith located?
William Smith practices at 15813 Paul Vega MD Dr Ste 402, Hammond, LA 70403. The listed phone number is (985) 230-7350.
What is William Smith's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is William Smith enrolled in Medicare?
Yes. William Smith 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 Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Smith reassigns Medicare benefits to 3 organizations: North Oaks Medical Center, LLC (Hammond, LA), North Oaks Physician Group, LLC (Hammond, LA) and Singing River Health System (Ocean Springs, MS). 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 Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Smith accept?
Health plans from HMO Louisiana list William Smith 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 William Smith affiliated with any hospitals?
According to CMS data, William Smith is affiliated with North Oaks Medical Center.
When was this NPI record last updated?
The NPPES record for William Smith was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. William Benjamin Smith, D.O. · NPI 1790079325
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Hammond, Louisiana. Individual provider, active in the CMS NPPES registry since May 31, 2011.
## Identity
- **NPI:** 1790079325 (Entity type: Individual)
- **Enumerated:** May 31, 2011
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 303359 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 15813 PAUL VEGA MD DR STE 402, Hammond, LA 70403-1426
- **Phone:** (985) 230-7350 · **Fax:** (985) 230-7351
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): North Oaks Medical Center, LLC (NPI 1972630705, Hammond, LA); North Oaks Physician Group, LLC (NPI 1427035211, Hammond, LA); Singing River Health System (NPI 1053528109, Ocean Springs, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia School Of Osteopathic Medicine, class of 2011
## Record status
- **NPPES last updated:** June 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1790079325) · Data from the CMS NPPES public registry.