MR. THIERRY LOUIS ARNOULT ACNP
NPI 1114383403
Nurse Practitioner - Acute Care in West Chester, PA
About Mr. Thierry Louis Arnoult Acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. THIERRY LOUIS ARNOULT ACNP (NPI 1114383403) is an individual acute care provider in West Chester, Pennsylvania, licensed in Pennsylvania (SP015726) and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS, is affiliated with Chester County Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Mr. Thierry Louis Arnoult Acnp 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
4Medicare enrollment records show Thierry Arnoult reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Chester, PA 19380
- Reassigned Medicare billing, Pennsylvania enrollment
- 983 clinicians in this Medicare group
Glen Mills, PA 19342
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
Berwyn, PA 19312
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chester County Hospital
Acute Care Hospitals · West Chester, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19380 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.
WEST CHESTER, PA 19380
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 Thierry Arnoult's NPI number?
The NPI number for Thierry Arnoult is 1114383403. It was assigned to this individual provider in the NPPES registry on January 3, 2016.
Where is Thierry Arnoult located?
Thierry Arnoult practices at 701 E Marshall St, West Chester, PA 19380. The listed phone number is (610) 431-5000.
What is Thierry Arnoult's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Thierry Arnoult enrolled in Medicare?
Yes. Thierry Arnoult 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 Thierry Arnoult's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thierry Arnoult reassigns Medicare benefits to 4 organizations: Clinical Care Associates Of The University Of Pennsylvania Health (West Chester, PA), Prospect Health Access Network, Inc. (Glen Mills, PA), University Of Penn-Medical Group (Berwyn, PA) and Main Line Healthcare (Newtown Square, PA). 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 Thierry Arnoult's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thierry Arnoult affiliated with any hospitals?
According to CMS data, Thierry Arnoult is affiliated with Chester County Hospital.
When was this NPI record last updated?
The NPPES record for Thierry Arnoult was last updated on January 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mr. Thierry Louis Arnoult, ACNP · NPI 1114383403
Acute Care physician in West Chester, Pennsylvania. Individual provider, active in the CMS NPPES registry since January 3, 2016.
## Identity
- **NPI:** 1114383403 (Entity type: Individual)
- **Enumerated:** January 3, 2016
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** SP015726 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 E MARSHALL ST, West Chester, PA 19380-4412
- **Phone:** (610) 431-5000 · **Fax:** (610) 431-5025
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Clinical Care Associates Of The University Of Pennsylvania Health (NPI 1396416251, West Chester, PA); Prospect Health Access Network, Inc. (NPI 1083061006, Glen Mills, PA); University Of Penn-Medical Group (NPI 1396133559, Berwyn, PA); Main Line Healthcare (NPI 1922077643, Newtown Square, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 29, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1114383403) · Data from the CMS NPPES public registry.