WILLIAM BLAKE KLENKE
NPI 1356225189
Speech-Language Pathologist in Saint Louis, MO
About William Blake Klenke NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BLAKE KLENKE (NPI 1356225189) is an individual speech-language pathologist provider in Saint Louis, Missouri, licensed in Missouri (2025049653) and active in the NPI registry since August 2025. He is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Blake Klenke is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Klenke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78752
- Reassigned Medicare billing, Maryland and Missouri enrollments
- 57 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.
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.
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 Klenke's NPI number?
The NPI number for William Klenke is 1356225189. It was assigned to this individual provider in the NPPES registry on August 4, 2025.
Where is William Klenke located?
William Klenke practices at 12110 Clayton Rd, Saint Louis, MO 63131. The listed phone number is (314) 989-8100.
What is William Klenke's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is William Klenke enrolled in Medicare?
Yes. William Klenke is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Klenke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Klenke reassigns Medicare benefits to Expressable Therapy PC (Austin, TX). 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 Klenke'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 Klenke was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Blake Klenke · NPI 1356225189
Speech-Language Pathologist provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 4, 2025.
## Identity
- **NPI:** 1356225189 (Entity type: Individual)
- **Enumerated:** August 4, 2025
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 2025049653 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 12110 CLAYTON RD, Saint Louis, MO 63131-2599
- **Phone:** (314) 989-8100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Expressable Therapy PC (NPI 1134875370, Austin, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356225189) · Data from the CMS NPPES public registry.