WILLIAM C MEIRINK OT
NPI 1497889596
Occupational Therapist in Florissant, MO
About William C Meirink Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C MEIRINK OT (NPI 1497889596) is an individual occupational therapist in Florissant, Missouri, licensed in Missouri (2004001322) and active in the NPI registry since March 2007. He maintains a secondary practice location in Belleville and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
William C Meirink Ot 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 William Meirink reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Liberty, MO 64068
- Reassigned Medicare billing, Missouri enrollment
- 269 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 5
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.
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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Meirink's NPI number?
The NPI number for William Meirink is 1497889596. It was assigned to this individual provider in the NPPES registry on March 14, 2007.
Where is William Meirink located?
William Meirink practices at 790 N Highway 67 St, Florissant, MO 63031. The listed phone number is (314) 972-1442.
What is William Meirink's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is William Meirink enrolled in Medicare?
Yes. William Meirink 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 William Meirink's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Meirink reassigns Medicare benefits to Athletico Ltd (Liberty, 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 William Meirink's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Meirink was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.