STEPHEN VIERTHALER MD
NPI 1508812355
Family Medicine in Kansas City, MO
About Stephen Vierthaler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN VIERTHALER MD (NPI 1508812355) is an individual family medicine provider in Kansas City, Missouri, licensed in Missouri (2006007775) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with University Health Lakewood Medical Center, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1977).
NPPES Registry Identity
Specialties & Licenses 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
Stephen Vierthaler 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 Reassignments
2Medicare enrollment records show Stephen Vierthaler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kansas City, MO 64108
- Reassigned Medicare billing, Missouri enrollment
- 518 clinicians in this Medicare group
Excelsior Springs, MO 64024
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1285733923 (Missouri)
- 120 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health Lakewood Medical Center
Acute Care Hospitals · Kansas City, MOExcelsior Springs Hospital
Critical Access Hospitals · Excelsior Springs, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 64139 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KANSAS CITY, MO 64139
KANSAS CITY, MO 64139
KANSAS CITY, MO 64139
KANSAS CITY, MO 64139
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 Stephen Vierthaler's NPI number?
The NPI number for Stephen Vierthaler is 1508812355. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is Stephen Vierthaler located?
Stephen Vierthaler practices at 7900 Lees Summit Rd, Kansas City, MO 64139. The listed phone number is (816) 404-7000.
What is Stephen Vierthaler's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Vierthaler enrolled in Medicare?
Yes. Stephen Vierthaler 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 Stephen Vierthaler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Vierthaler reassigns Medicare benefits to 2 organizations: University Health Physicians (Kansas City, MO) and Excelsior Springs City Hospital (Excelsior Springs, MO). 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 Stephen Vierthaler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Vierthaler accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Stephen Vierthaler 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 Stephen Vierthaler affiliated with any hospitals?
According to CMS data, Stephen Vierthaler is affiliated with University Health Lakewood Medical Center and Excelsior Springs Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Vierthaler was last updated on November 18, 2021. 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.