MIDWEST NEUROSURGEONS, LLC
NPI 1215378955
Neurological Surgery in Saint Louis, MO
About Midwest Neurosurgeons, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIDWEST NEUROSURGEONS, LLC (NPI 1215378955) is a healthcare organization registered as a neurological surgery in Saint Louis, Missouri and active in the NPI registry since July 2013. The organization holds a CLIA Waiver certificate valid through March 13, 2028 and lists Sonjay Joseph Fonn, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Midwest Neurosurgeons, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Midwest Neurosurgeons, LLC, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 26D2038171
Midwest Neurosurgeons, LLC · Cape Girardeau, MOFrequently 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 Midwest Neurosurgeons, LLC's NPI number?
The NPI number for Midwest Neurosurgeons, LLC is 1215378955. It was assigned to this organization in the NPPES registry on July 10, 2013.
Where is Midwest Neurosurgeons, LLC located?
Midwest Neurosurgeons, LLC is located at 2901 Union Rd Ste 100, Saint Louis, MO 63125. The listed phone number is (314) 408-0129.
What is Midwest Neurosurgeons, LLC's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Midwest Neurosurgeons, LLC enrolled in Medicare?
Yes. Midwest Neurosurgeons, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Midwest Neurosurgeons, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Midwest Neurosurgeons, LLC, in Anesthesiology and Neurosurgery. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Midwest Neurosurgeons, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 26D2038171) is associated with this NPI, valid through March 13, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Midwest Neurosurgeons, LLC was last updated on October 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.