MRS. CHANTELL Y UNNERSTALL OTRL CHT
NPI 1831281120
Occupational Therapist - Hand in Washington, MO
About Mrs. Chantell Y Unnerstall Otrl Cht NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CHANTELL Y UNNERSTALL OTRL CHT (NPI 1831281120) is an individual hand provider in Washington, Missouri, licensed in Missouri (004891) and active in the NPI registry since September 2006. She is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Chantell Y Unnerstall Otrl Cht is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Chantell Unnerstall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 138 clinicians in this Medicare group
O Fallon, MO 63368
- Reassigned Medicare billing, Missouri enrollment
- 142 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Chantell Unnerstall's NPI number?
The NPI number for Chantell Unnerstall is 1831281120. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Chantell Unnerstall located?
Chantell Unnerstall practices at 2022 Phoenix Dr, Washington, MO 63090. The listed phone number is (636) 239-9979.
What is Chantell Unnerstall's specialty?
The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.
Is Chantell Unnerstall enrolled in Medicare?
Yes. Chantell Unnerstall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Chantell Unnerstall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chantell Unnerstall reassigns Medicare benefits to 2 organizations: Axes Physical Therapy I, LLC (Washington, MO) and Axes Physical Therapy, LLC (O Fallon, MO). Each 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 Chantell Unnerstall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chantell Unnerstall accept?
Health plans from Anthem Blue Cross and Blue Shield list Chantell Unnerstall 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 Chantell Unnerstall was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mrs. Chantell Y Unnerstall, OTRL CHT · NPI 1831281120
Hand provider in Washington, Missouri. Individual provider, active in the CMS NPPES registry since September 28, 2006.
## Identity
- **NPI:** 1831281120 (Entity type: Individual)
- **Enumerated:** September 28, 2006
- **Primary specialty:** Occupational Therapist - Hand · taxonomy 225XH1200X
- **State license:** 004891 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 2022 PHOENIX DR, Washington, MO 63090
- **Phone:** (636) 239-9979 · **Fax:** (636) 239-5442
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Axes Physical Therapy I, LLC (NPI 1679032700, Washington, MO); Axes Physical Therapy, LLC (NPI 1003280421, O Fallon, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1831281120) · Data from the CMS NPPES public registry.