CAITLIN JOANN MULLER LPCC
NPI 1255899027
Counselor - Professional in Bismarck, ND

Active since March 11, 2019PECOS Enrolled
4530 NORTHERN SKY DR, BISMARCK, ND 58503(701) 751-6336(701) 751-6337 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 13, 2021, Sep 10, 2021, Mar 15, 2021 and 6 more (9 updates tracked since 2019).

About Caitlin Joann Muller Lpcc NPPES

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

CAITLIN JOANN MULLER LPCC (NPI 1255899027) is an individual professional provider in Bismarck, North Dakota, licensed in North Dakota (1006-5-15-19-366) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bismarck.

NPPES Registry Identity

NPI1255899027
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameCAITLIN JOANN MULLERCredential: LPCC
Location Address4530 NORTHERN SKY DRBismarck, ND 58503-8534
Mailing Address4530 Northern Sky DrBismarck, ND 58503-8534 · (701) 751-6336 · Fax (701) 751-6337
Fax(701) 751-6337
Sole ProprietorNo
Enumeration DateMarch 11, 2019
Last NPPES UpdateSeptember 13, 20219 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1255899027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in ND · 1006-5-15-19-366✔ Licensed in ND · 1006-5-15-19
4530 NORTHERN SKY DR, Bismarck, ND 58503

Other Names 1

Former Name (1)Caitlin Van Voorhis

Secondary Practice Location 1

Location 12625 N 19th StBismarck, ND 58503-0574 · Phone (701) 222-3175 · Fax (701) 222-3186

Other Identifiers 1

Medicaid1477950ND

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)

Caitlin Joann Muller Lpcc 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.

Medicare Billing Reassignment

Medicare enrollment records show Caitlin Muller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adolescent and Children Mental Health
3320 HAMILTON ST UNIT 3
Bismarck, ND 58503
  • Reassigned Medicare billing, North Dakota enrollment
  • 3 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.

Other Providers at the Same Location NPPES 20

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

Occupational Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Occupational Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Occupational Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Speech-Language Pathologist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Occupational Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Occupational Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Physical Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503
Physical Therapist
4530 NORTHERN SKY DR
BISMARCK, ND 58503

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 Caitlin Muller's NPI number?

The NPI number for Caitlin Muller is 1255899027. It was assigned to this individual provider in the NPPES registry on March 11, 2019. The provider is also known as Caitlin Van Voorhis.

Where is Caitlin Muller located?

Caitlin Muller practices at 4530 Northern Sky Dr, Bismarck, ND 58503. The listed phone number is (701) 751-6336.

What is Caitlin Muller's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Caitlin Muller enrolled in Medicare?

Yes. Caitlin Muller is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caitlin Muller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Muller reassigns Medicare benefits to Stepping Stones Counseling, PLLC (Bismarck, ND). 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 Caitlin Muller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlin Muller accept?

Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Caitlin Muller 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 Caitlin Muller was last updated on September 13, 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.