ABBI SISSON LCSW
NPI 1043737380
Social Worker - Clinical in Terre Haute, IN
About Abbi Sisson Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABBI SISSON LCSW (NPI 1043737380) is an individual clinical provider in Terre Haute, Indiana, licensed in Indiana (34008878A) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Abbi Sisson Lcsw 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 Reassignment
Medicare enrollment records show Abbi Sisson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Terre Haute, IN 47804
- Reassigned Medicare billing, Indiana enrollment
- 85 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 47804 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TERRE HAUTE, IN 47804
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 Abbi Sisson's NPI number?
The NPI number for Abbi Sisson is 1043737380. It was assigned to this individual provider in the NPPES registry on August 28, 2017.
Where is Abbi Sisson located?
Abbi Sisson practices at 620 8th Ave, Terre Haute, IN 47804. The listed phone number is (812) 231-8323.
What is Abbi Sisson's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Abbi Sisson enrolled in Medicare?
Yes. Abbi Sisson 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 organization bills Medicare for Abbi Sisson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abbi Sisson reassigns Medicare benefits to Hamilton Center, Inc. (Terre Haute, IN). 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 Abbi Sisson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abbi Sisson accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Cigna Healthcare list Abbi Sisson 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 Abbi Sisson was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Abbi Sisson, LCSW · NPI 1043737380
Clinical provider in Terre Haute, Indiana. Individual provider, active in the CMS NPPES registry since August 28, 2017.
## Identity
- **NPI:** 1043737380 (Entity type: Individual)
- **Enumerated:** August 28, 2017
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 34008878A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 8TH AVE, Terre Haute, IN 47804-2771
- **Phone:** (812) 231-8323 · **Fax:** (812) 231-8400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Hamilton Center, Inc. (NPI 1205980901, Terre Haute, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1043737380) · Data from the CMS NPPES public registry.