DONALD SIMPSON LPC LLC
NPI 1124993845
Counselor - Professional in Saint Louis, MO
About Donald Simpson Lpc Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD SIMPSON LPC LLC (NPI 1124993845) is a healthcare organization registered as a professional in Saint Louis, Missouri and active in the NPI registry since October 2025. The organization lists Donald Simpson, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Donald Simpson Lpc Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Donald Simpson Lpc LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Donald Simpson Lpc LLC's NPI number?
The NPI number for Donald Simpson Lpc LLC is 1124993845. It was assigned to this organization in the NPPES registry on October 10, 2025.
Where is Donald Simpson Lpc LLC located?
Donald Simpson Lpc LLC is located at 11710 Administration Dr Ste 21, Saint Louis, MO 63146. The listed phone number is (636) 698-5618.
What is Donald Simpson Lpc LLC's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Donald Simpson Lpc LLC enrolled in Medicare?
Yes. Donald Simpson Lpc LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Donald Simpson Lpc LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Donald Simpson Lpc LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Donald Simpson Lpc LLC was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Donald Simpson Lpc Llc · NPI 1124993845
Professional organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since October 10, 2025.
## Identity
- **NPI:** 1124993845 (Entity type: Organization)
- **Enumerated:** October 10, 2025
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **Organization subpart:** No
- **Authorized official:** Donald Simpson, OWNER
## Practice location
- **Address:** 11710 ADMINISTRATION DR STE 21, Saint Louis, MO 63146-3416
- **Phone:** (636) 698-5618 · **Fax:** (314) 886-7397
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Mental Health Counselor) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1124993845) · Data from the CMS NPPES public registry.