MS. DIANA M MUELLER LPC-MH
NPI 1295709244
Counselor - Mental Health in Rapid City, SD

Q: What is Diana Mueller's NPI number?

The NPI number for Diana Mueller is 1295709244. It was assigned to this individual provider in the NPPES registry on February 15, 2006. The provider is also known as Diana M Southam Lpc-Mh.

Q: What is Diana Mueller's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Diana Mueller was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since February 15, 2006PECOS Enrolled

623 QUINCY ST STE 102B, RAPID CITY, SD 57701(605) 646-0223 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 12, 2025, May 25, 2022 (2 updates tracked since 2022).

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About Ms. Diana M Mueller Lpc-mh NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. DIANA M MUELLER LPC-MH (NPI 1295709244) is an individual mental health provider in Rapid City, South Dakota and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295709244

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMS. DIANA M MUELLERCredential: LPC-MH

Location Address623 QUINCY ST STE 102BRapid City, SD 57701-8230

Mailing Address12307 Valhalla DrSturgis, SD 57785-5517 · (605) 646-0223

Phone(605) 646-0223

Sole ProprietorYes

Enumeration DateFebruary 15, 2006

Last NPPES UpdateSeptember 12, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 12, 2025

✔ NPI 1295709244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License LPC-MH30555 (SD)

Also ListedSocial WorkerTaxonomy 104100000X · License 1985 (SD)

623 QUINCY ST STE 102B, Rapid City, SD 57701

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Other Names 1

Former Name (1)Diana M Southam Lpc-mh

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Diana M Mueller Lpc-mh is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MUELLER COUNSELLING, LLC

Counselor (Professional)

623 QUINCY ST STE 102B
RAPID CITY, SD 57701

Meade County (605) 646-0223

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 Diana Mueller's NPI number?

The NPI number for Diana Mueller is 1295709244. It was assigned to this individual provider in the NPPES registry on February 15, 2006. The provider is also known as Diana M Southam Lpc-Mh.

Where is Diana Mueller located?

Diana Mueller practices at 623 Quincy St Ste 102B, Rapid City, SD 57701. The listed phone number is (605) 646-0223.

What is Diana Mueller's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Diana Mueller enrolled in Medicare?

Yes. Diana Mueller is registered in the Medicare PECOS enrollment system.

What insurance does Diana Mueller accept?

Health plans from Avera Health Plans and Sanford Health Plan list Diana Mueller 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 Diana Mueller was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.