ANDREW MACKAY WILLIAMSON
NPI 1073104493
Physician Assistant in Lenexa, KS
About Andrew Mackay Williamson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW MACKAY WILLIAMSON (NPI 1073104493) is an individual physician assistant in Lenexa, Kansas, licensed in Kansas (2022029337) and active in the NPI registry since January 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
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
Andrew Mackay Williamson 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Kansas Hospital
Acute Care Hospitals · Kansas City, KSOlathe Medical Center
Acute Care Hospitals · Olathe, KSMiami County Medical Center
Acute Care Hospitals · La Cygne, KSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 66227 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LENEXA, KS 66227
LENEXA, KS 66227
LENEXA, KS 66227
LENEXA, KS 66227
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 Andrew Williamson's NPI number?
The NPI number for Andrew Williamson is 1073104493. It was assigned to this individual provider in the NPPES registry on January 28, 2021.
Where is Andrew Williamson located?
Andrew Williamson practices at 23401 Prairie Star Pkwy Ste B-300, Lenexa, KS 66227. The listed phone number is (913) 677-6319.
What is Andrew Williamson's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Andrew Williamson enrolled in Medicare?
Yes. Andrew Williamson 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 Andrew Williamson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Andrew Williamson 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 Andrew Williamson affiliated with any hospitals?
According to CMS data, Andrew Williamson is affiliated with University Of Kansas Hospital, Olathe Medical Center and Miami County Medical Center.
When was this NPI record last updated?
The NPPES record for Andrew Williamson was last updated on September 4, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.
