DR. KARL A SILLAY MD
NPI 1184734030
Neurological Surgery in Nashville, TN
About Dr. Karl A Sillay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARL A SILLAY MD (NPI 1184734030) is an individual neurological surgery provider in Nashville, Tennessee, licensed in Tennessee (49526) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Marion General Hospital, and maintains a secondary practice location in Lakewood.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Karl A Sillay Md 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.
Areas of Expertise CMS Part B claims 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marion General Hospital
Acute Care Hospitals · Marion, INLutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INStormont Vail Hospital
Acute Care Hospitals · Topeka, KSNorth Mississippi Medical Center
Acute Care Hospitals · Tupelo, MSAscension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37203
NASHVILLE, TN 37203
NASHVILLE, TN 37203
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 Karl Sillay's NPI number?
The NPI number for Karl Sillay is 1184734030. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Karl Sillay located?
Karl Sillay practices at 2400 Patterson St Ste 319, Nashville, TN 37203. The listed phone number is (615) 986-1256.
What is Karl Sillay's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Karl Sillay enrolled in Medicare?
Yes. Karl Sillay 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.
What insurance does Karl Sillay accept?
Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 7 other insurers list Karl Sillay 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 Karl Sillay affiliated with any hospitals?
According to CMS data, Karl Sillay is affiliated with Marion General Hospital, Lutheran Hospital Of Indiana, Stormont Vail Hospital, North Mississippi Medical Center and Ascension Columbia St Mary's Hospital Milwaukee.
When was this NPI record last updated?
The NPPES record for Karl Sillay was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.