ERIN NIELSEN PT
NPI 1841230059
Physical Therapist in Millsboro, DE
About Erin Nielsen Pt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN NIELSEN PT (NPI 1841230059) is an individual physical therapist in Millsboro, Delaware, licensed in Delaware (CP046510T) and active in the NPI registry since June 2006. She maintains 3 additional practice locations and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Other Names 1
Secondary Practice Locations 3
Other Identifiers 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
Erin Nielsen Pt 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
17Medicare enrollment records show Erin Nielsen reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Millsboro, DE 19966
- Reassigned Medicare billing, Delaware enrollment
- 36 clinicians in this Medicare group
Charlottesville, VA 22901
- Reassigned Medicare billing, Virginia enrollment
- 98 clinicians in this Medicare group
Elkton, VA 22827
- Reassigned Medicare billing, Virginia enrollment
- 104 clinicians in this Medicare group
Staunton, VA 24401
- Reassigned Medicare billing, Virginia enrollment
- 113 clinicians in this Medicare group
Raleigh, NC 27607
- Reassigned Medicare billing, North Carolina enrollment
- 289 clinicians in this Medicare group
Greensboro, NC 27401
- Reassigned Medicare billing, North Carolina enrollment
- 289 clinicians in this Medicare group
Greensboro, NC 27410
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Benchmark Physical Therapy Of North Carolina, LLC
- 483 clinicians in this Medicare group
North Myrtle Beach, SC 29582
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Benchmark Healthcare Services LLC
- 363 clinicians in this Medicare group
Camden, SC 29020
- Reassigned Medicare billing, South Carolina enrollment
- 297 clinicians in this Medicare group
Port Wentworth, GA 31407
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Independent Physical Therapy Of Georgia, LLC
- 1,061 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 4
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 19966 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 5
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 Erin Nielsen's NPI number?
The NPI number for Erin Nielsen is 1841230059. It was assigned to this individual provider in the NPPES registry on June 7, 2006. The provider is also known as Erin Sullivan Pt.
Where is Erin Nielsen located?
Erin Nielsen practices at 30166 Commerce Dr, Millsboro, DE 19966. The listed phone number is (302) 663-9890.
What is Erin Nielsen's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Erin Nielsen enrolled in Medicare?
Yes. Erin Nielsen 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 Erin Nielsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Nielsen reassigns Medicare benefits to 17 organizations: Benchmark Physical Therapy Of Delaware LLC (Millsboro, DE), Drayer Physical Therapy Virginia, LLC (Charlottesville, VA), Drayer Pt Of VA LLC (Elkton, VA), Benchmark Physical Therapy Of VA, LLC (Staunton, VA), Drayer Physical Therapy Of North Carolina LLC (Raleigh, NC) and 12 more organizations, listed in the Medicare section above. 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 Erin Nielsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Nielsen accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 8 other insurers list Erin Nielsen 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 Erin Nielsen was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Erin Nielsen, PT · NPI 1841230059
Physical Therapist provider in Millsboro, Delaware. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1841230059 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Physical Therapist · taxonomy 225100000X
- **State license:** CP046510T (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 30166 COMMERCE DR, Millsboro, DE 19966-3585
- **Phone:** (302) 663-9890
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 17 organizations under Medicare reassignment (form CMS-855R): Benchmark Physical Therapy Of Delaware LLC (NPI 1598222390, Millsboro, DE); Drayer Physical Therapy Virginia, LLC (NPI 1649742016, Charlottesville, VA); Drayer Pt Of VA LLC (NPI 1821413170, Elkton, VA); Benchmark Physical Therapy Of VA, LLC (NPI 1871063925, Staunton, VA); Drayer Physical Therapy Of North Carolina LLC (NPI 1740605096, Raleigh, NC); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 15, 2026
- **Other identifiers:** Other FA0501 (NY); Other P0140059WH (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1841230059) · Data from the CMS NPPES public registry.