JOSEPH STILWILL MD
NPI 1750355871
Internal Medicine - Hematology & Oncology in Overland Park, KS
About Joseph Stilwill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH STILWILL MD (NPI 1750355871) is an individual hematology & oncology provider in Overland Park, Kansas, licensed in Kansas (04-35975) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Overland Park Reg Med Ctr, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 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
Joseph Stilwill 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.
Medicare Billing Reassignment
Medicare enrollment records show Joseph Stilwill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kansas City, MO 64132
- Reassigned Medicare billing, Kansas and Missouri enrollments
- 23 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 9
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.
Overland Park Reg Med Ctr
Acute Care Hospitals · Overland Park, KSMenorah Medical Center
Acute Care Hospitals · Overland Park, KSKansas City Orthopaedic Institute
Acute Care Hospitals · Leawood, KSCenterpoint Medical Center
Acute Care Hospitals · Independence, MOLee's Summit Medical Center
Acute Care Hospitals · Lees Summit, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 66209 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 4
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OVERLAND PARK, KS 66209
OVERLAND PARK, KS 66209
OVERLAND PARK, KS 66209
OVERLAND PARK, KS 66209
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 Joseph Stilwill's NPI number?
The NPI number for Joseph Stilwill is 1750355871. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Joseph Stilwill located?
Joseph Stilwill practices at 12140 Nall Ave Ste 200, Overland Park, KS 66209. The listed phone number is (913) 498-7409.
What is Joseph Stilwill's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Joseph Stilwill enrolled in Medicare?
Yes. Joseph Stilwill 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 organization bills Medicare for Joseph Stilwill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Stilwill reassigns Medicare benefits to Midwest Oncology Associates LLC (Kansas City, MO). 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 Joseph Stilwill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Stilwill accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Anthem Blue Cross and Blue Shield and 2 other insurers list Joseph Stilwill 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 Joseph Stilwill affiliated with any hospitals?
According to CMS data, Joseph Stilwill is affiliated with Overland Park Reg Med Ctr, Menorah Medical Center, Kansas City Orthopaedic Institute, Centerpoint Medical Center and Lee's Summit Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Stilwill was last updated on January 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.