MERIDIAN MENTAL HEALTH, LLC
NPI 1871267435
Clinic/Center - Mental Health (Including Community Mental Health Center) in Yankton, SD
About Meridian Mental Health, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERIDIAN MENTAL HEALTH, LLC (NPI 1871267435) is a healthcare organization registered as a mental health (including community mental health center) in Yankton, South Dakota and active in the NPI registry since August 2021. The organization lists Joel V. Merkwan, Clinical Psychologist/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Meridian Mental Health, 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 Meridian Mental Health, 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 Meridian Mental Health, LLC's NPI number?
The NPI number for Meridian Mental Health, LLC is 1871267435. It was assigned to this organization in the NPPES registry on August 5, 2021.
Where is Meridian Mental Health, LLC located?
Meridian Mental Health, LLC is located at 327 Broadway Ave Ste 15, Yankton, SD 57078. The listed phone number is (605) 661-6128.
What is Meridian Mental Health, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Meridian Mental Health, LLC enrolled in Medicare?
Yes. Meridian Mental Health, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Meridian Mental Health, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Meridian Mental Health, 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.
What insurance does Meridian Mental Health, LLC accept?
Health plans from Sanford Health Plan list Meridian Mental Health, LLC 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 Meridian Mental Health, LLC was last updated on August 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Meridian Mental Health, Llc · NPI 1871267435
Mental Health (Including Community Mental Health Center) organization in Yankton, South Dakota. Organization record, active in the CMS NPPES registry since August 5, 2021.
## Identity
- **NPI:** 1871267435 (Entity type: Organization)
- **Enumerated:** August 5, 2021
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Organization subpart:** No
- **Authorized official:** Joel Merkwan, CLINICAL PSYCHOLOGIST/OWNER
## Practice location
- **Address:** 327 BROADWAY AVE STE 15, Yankton, SD 57078-7800
- **Phone:** (605) 661-6128
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 5, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871267435) · Data from the CMS NPPES public registry.