ALEXANDRA HELENA SEELEY MD
NPI 1538780887
Emergency Medicine in Carlisle, PA
About Alexandra Helena Seeley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA HELENA SEELEY MD (NPI 1538780887) is an individual emergency medicine provider in Carlisle, Pennsylvania, licensed in Pennsylvania (MD492479) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Tampa, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 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
Alexandra Helena Seeley Md 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
3Medicare enrollment records show Alexandra Seeley reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 209 clinicians in this Medicare group
Tampa, FL 33613
- Reassigned Medicare billing, Florida enrollment
- 231 clinicians in this Medicare group
Sebring, FL 33872
- Reassigned Medicare billing, Florida enrollment
- 318 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 5
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.
Adventhealth Tampa
Acute Care Hospitals · Tampa, FLUpmc Carlisle
Acute Care Hospitals · Carlisle, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17015 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.
CARLISLE, PA 17015
CARLISLE, PA 17015
CARLISLE, PA 17015
CARLISLE, PA 17015
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 Alexandra Seeley's NPI number?
The NPI number for Alexandra Seeley is 1538780887. It was assigned to this individual provider in the NPPES registry on April 28, 2020. The provider is also known as Alexandra Sheriff.
Where is Alexandra Seeley located?
Alexandra Seeley practices at 361 Alexander Spring Rd, Carlisle, PA 17015. The listed phone number is (717) 988-0000.
What is Alexandra Seeley's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexandra Seeley enrolled in Medicare?
Yes. Alexandra Seeley 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 Alexandra Seeley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Seeley reassigns Medicare benefits to 3 organizations: Pinnacle Health Emergency Department Services LLC (Harrisburg, PA), Tampa Bay Emergency Physicians LLC (Tampa, FL) and Tampa Bay Emergency Physicians-Heartland LLC (Sebring, FL). 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 Alexandra Seeley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexandra Seeley affiliated with any hospitals?
According to CMS data, Alexandra Seeley is affiliated with Adventhealth Tampa and Upmc Carlisle.
When was this NPI record last updated?
The NPPES record for Alexandra Seeley was last updated on August 5, 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.
# Alexandra Helena Seeley, MD · NPI 1538780887
Emergency Medicine physician in Carlisle, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 28, 2020.
## Identity
- **NPI:** 1538780887 (Entity type: Individual)
- **Enumerated:** April 28, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD492479 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 361 ALEXANDER SPRING RD, Carlisle, PA 17015-6940
- **Phone:** (717) 988-0000 · **Fax:** (717) 782-5716
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Pinnacle Health Emergency Department Services LLC (NPI 1487693404, Harrisburg, PA); Tampa Bay Emergency Physicians LLC (NPI 1114977428, Tampa, FL); Tampa Bay Emergency Physicians-Heartland LLC (NPI 1043661408, Sebring, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1538780887) · Data from the CMS NPPES public registry.