CAROL A EISER-ZWALL CRNA
NPI 1811984909
Nurse Anesthetist, Certified Registered in Langhorne, PA
About Carol A Eiser-zwall Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL A EISER-ZWALL CRNA (NPI 1811984909) is an individual nurse anesthetist, certified registered in Langhorne, Pennsylvania, licensed in Pennsylvania (RN246187L) and active in the NPI registry since October 2005. She is affiliated with St Mary Medical Center and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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
Carol A Eiser-zwall 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
2Medicare enrollment records show Carol Eiser-zwall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- 140 clinicians in this Medicare group
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 400 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary Medical Center
Acute Care Hospitals · Langhorne, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19047 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LANGHORNE, PA 19047
LANGHORNE, PA 19047
LANGHORNE, PA 19047
LANGHORNE, PA 19047
LANGHORNE, PA 19047
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 Carol Eiser-zwall's NPI number?
The NPI number for Carol Eiser-zwall is 1811984909. It was assigned to this individual provider in the NPPES registry on October 4, 2005. The provider is also known as Carol Ann Eiser Crna.
Where is Carol Eiser-zwall located?
Carol Eiser-zwall practices at 1205 Langhorne Newtown Rd, Langhorne, PA 19047. The listed phone number is (215) 710-2196.
What is Carol Eiser-zwall's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Carol Eiser-zwall enrolled in Medicare?
Yes. Carol Eiser-zwall 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 Carol Eiser-zwall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Eiser-zwall reassigns Medicare benefits to 2 organizations: Cep America - Anesthesia PC (Langhorne, PA) and Northstar Anesthesia Of Pennsylvania, LLC (Darby, 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 Carol Eiser-zwall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carol Eiser-zwall affiliated with any hospitals?
According to CMS data, Carol Eiser-zwall is affiliated with St Mary Medical Center.
When was this NPI record last updated?
The NPPES record for Carol Eiser-zwall was last updated on January 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.