Meridian Mental Health, LLC
NPI 1871267435 · Mental Health Clinic/Center (Including Community Mental Health Center) · Yankton, SD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Meridian Mental Health, LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Yankton, SD (NPI 1871267435).
Provider details
- NPI number
- 1871267435
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Joel Merkwan, Clinical Psychologist/Owner(605) 661-6128
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-08-05
- Last updated
- 2021-08-05
- Certified
- 2021-08-05
Frequently asked questions
- What is Meridian Mental Health, LLC's NPI number?
- Meridian Mental Health, LLC's National Provider Identifier (NPI) is 1871267435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Meridian Mental Health, LLC?
- Meridian Mental Health, LLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Meridian Mental Health, LLC located?
- Meridian Mental Health, LLC's practice location on file with NPPES is 327 Broadway Ave Ste 15, Yankton, SD 57078-7800.
- What is Meridian Mental Health, LLC's phone number?
- The practice phone number listed in the NPPES registry for Meridian Mental Health, LLC is (605) 661-6128.
- Does Meridian Mental Health, LLC accept Medicare?
- Meridian Mental Health, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Meridian Mental Health, LLC?
- The authorized official listed on Meridian Mental Health, LLC's NPPES record is Joel Merkwan, Clinical Psychologist/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Meridian Mental Health, LLC's NPI active?
- Yes — Meridian Mental Health, LLC's NPI (1871267435) is active in the NPPES registry as of the last update on 2021-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.