L. KEITH SIMMONS DO
NPI 1447264205
Neurological Surgery in Tulsa, OK
About L. Keith Simmons Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
L. KEITH SIMMONS DO (NPI 1447264205) is an individual neurological surgery provider in Tulsa, Oklahoma, licensed in Oklahoma (2902) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
L. Keith Simmons Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show L. Simmons reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78248
- Reassigned Medicare billing, Oklahoma enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74133 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 L. Simmons's NPI number?
The NPI number for L. Simmons is 1447264205. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is L. Simmons located?
L. Simmons practices at 9709 E 79th St S, Tulsa, OK 74133. The listed phone number is (918) 994-4000.
What is L. Simmons's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is L. Simmons enrolled in Medicare?
Yes. L. Simmons is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for L. Simmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), L. Simmons reassigns Medicare benefits to Mpower Clinical Tx (San Antonio, TX). The 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 L. Simmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for L. Simmons was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.