DENNIS EDWARD HORN CRNA
NPI 1558307637
Nurse Anesthetist, Certified Registered in York, PA
About Dennis Edward Horn Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS EDWARD HORN CRNA (NPI 1558307637) is an individual nurse anesthetist, certified registered in York, Pennsylvania, licensed in Pennsylvania (RN328666L) and active in the NPI registry since June 2006. He is affiliated with Wellspan Ephrata Community Hospital, maintains 14 additional practice locations, and is a graduate of Temple University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 14
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
Dennis Edward Horn Crna 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
5Medicare enrollment records show Dennis Horn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
York, PA 17402
- Reassigned Medicare billing, Pennsylvania enrollment
- 165 clinicians in this Medicare group
York, PA 17402
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 267 clinicians in this Medicare group
Lancaster, PA 17602
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Lancaster General Hospital
- 163 clinicians in this Medicare group
Chadds Ford, PA 19317
- Reassigned Medicare billing, Pennsylvania enrollment
- 251 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan Ephrata Community Hospital
Acute Care Hospitals · Ephrata, PAOss Orthopaedic Hospital
Acute Care Hospitals · York, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17402 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.
YORK, PA 17402
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 Dennis Horn's NPI number?
The NPI number for Dennis Horn is 1558307637. It was assigned to this individual provider in the NPPES registry on June 20, 2006.
Where is Dennis Horn located?
Dennis Horn practices at 1861 Powder Mill Rd, York, PA 17402. The listed phone number is (717) 718-2000.
What is Dennis Horn's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Dennis Horn enrolled in Medicare?
Yes. Dennis Horn 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 Dennis Horn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Horn reassigns Medicare benefits to 5 organizations: Oss Orthopaedic Hospital, LLC (York, PA), Wellspan Medical Group (York, PA), Rgal Anesthesia Services LLC (Lancaster, PA), Lanaster General Hospital (Lancaster, PA) and Associates In Anesthesia, Inc. (Chadds Ford, 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 Dennis Horn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dennis Horn affiliated with any hospitals?
According to CMS data, Dennis Horn is affiliated with Wellspan Ephrata Community Hospital and Oss Orthopaedic Hospital.
When was this NPI record last updated?
The NPPES record for Dennis Horn was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dennis Edward Horn, CRNA · NPI 1558307637
Nurse Anesthetist, Certified Registered physician in York, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 20, 2006.
## Identity
- **NPI:** 1558307637 (Entity type: Individual)
- **Enumerated:** June 20, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN328666L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1861 POWDER MILL RD, York, PA 17402-4723
- **Phone:** (717) 718-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Oss Orthopaedic Hospital, LLC (NPI 1578881652, York, PA); Wellspan Medical Group (NPI 1316520638, York, PA); Rgal Anesthesia Services LLC (NPI 1699055251, Lancaster, PA); Lanaster General Hospital (NPI 1740895630, Lancaster, PA); Associates In Anesthesia, Inc. (NPI 1942281191, Chadds Ford, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1558307637) · Data from the CMS NPPES public registry.