STEPHANIE SEGAR LLMSW
NPI 1821414038
Social Worker - Clinical in Allegan, MI
About Stephanie Segar Llmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE SEGAR LLMSW (NPI 1821414038) is an individual clinical provider in Allegan, Michigan, licensed in Michigan (6801100085) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Holland, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephanie Segar Llmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephanie Segar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 58 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALLEGAN, MI 49010
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 Stephanie Segar's NPI number?
The NPI number for Stephanie Segar is 1821414038. It was assigned to this individual provider in the NPPES registry on March 12, 2014. The provider is also known as Stephanie Nienhuis.
Where is Stephanie Segar located?
Stephanie Segar practices at 3283 122nd Ave, Allegan, MI 49010. The listed phone number is (269) 673-3384.
What is Stephanie Segar's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Stephanie Segar enrolled in Medicare?
Yes. Stephanie Segar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephanie Segar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Segar reassigns Medicare benefits to County Of Muskegon (Muskegon, MI). 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 Stephanie Segar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephanie Segar was last updated on January 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Stephanie Segar, LLMSW · NPI 1821414038
Clinical provider in Allegan, Michigan. Individual provider, active in the CMS NPPES registry since March 12, 2014.
## Identity
- **NPI:** 1821414038 (Entity type: Individual)
- **Enumerated:** March 12, 2014
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801100085 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3283 122ND AVE, Allegan, MI 49010-9590
- **Phone:** (269) 673-3384
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** County Of Muskegon (NPI 1003914946, Muskegon, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** January 14, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1821414038) · Data from the CMS NPPES public registry.