MS. ADA WILLIAMS LPC
NPI 1952893570
Counselor - Professional in Saint Louis, MO
About Ms. Ada Williams Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ADA WILLIAMS LPC (NPI 1952893570) is an individual professional provider in Saint Louis, Missouri, licensed in Missouri (2018017741) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Ada Williams Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ada Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wentzville, MO 63385
- Reassigned Medicare billing, Missouri enrollment
- 968 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.
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 Ada Williams's NPI number?
The NPI number for Ada Williams is 1952893570. It was assigned to this individual provider in the NPPES registry on May 30, 2018.
Where is Ada Williams located?
Ada Williams practices at 10880 Baur Blvd Ste 110, Saint Louis, MO 63132. The listed phone number is (314) 616-5619.
What is Ada Williams's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Ada Williams enrolled in Medicare?
Yes. Ada Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ada Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ada Williams reassigns Medicare benefits to Compass Health, Inc. (Wentzville, 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 Ada Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ada Williams accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Texas, Medica and Oscar Insurance Company and 1 other insurer list Ada Williams 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.
When was this NPI record last updated?
The NPPES record for Ada Williams was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Ada Williams, LPC · NPI 1952893570
Professional provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 30, 2018.
## Identity
- **NPI:** 1952893570 (Entity type: Individual)
- **Enumerated:** May 30, 2018
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 2018017741 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10880 BAUR BLVD STE 110, Saint Louis, MO 63132-1632
- **Phone:** (314) 616-5619
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Compass Health, Inc. (NPI 1861618308, Wentzville, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** May 21, 2026
- **Other identifiers:** Medicaid 430652622 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1952893570) · Data from the CMS NPPES public registry.