MARY ELIZABETH FILLO CRNA
NPI 1316264963
Nurse Anesthetist, Certified Registered in New Castle, DE
About Mary Elizabeth Fillo Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH FILLO CRNA (NPI 1316264963) is an individual nurse anesthetist, certified registered in New Castle, Delaware, licensed in Delaware (L1-0030725) and active in the NPI registry since April 2010. She is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Mary Elizabeth Fillo 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 Mary Fillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Castle, DE 19720
- Reassigned Medicare billing, Delaware enrollment
- 348 clinicians in this Medicare group
Lewes, DE 19958
- Reassigned Medicare billing, Delaware enrollment
- 9 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19720 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.
NEW CASTLE, DE 19720
NEW CASTLE, DE 19720
NEW CASTLE, DE 19720
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 Mary Fillo's NPI number?
The NPI number for Mary Fillo is 1316264963. It was assigned to this individual provider in the NPPES registry on April 22, 2010.
Where is Mary Fillo located?
Mary Fillo practices at 2 Reads Way Suite 201, New Castle, DE 19720. The listed phone number is (302) 709-4706.
What is Mary Fillo's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Fillo enrolled in Medicare?
Yes. Mary Fillo 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 Mary Fillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Fillo reassigns Medicare benefits to 2 organizations: Anesthesia Services PA (New Castle, DE) and Amsurg Lewes Anesthesia LLC (Lewes, DE). 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 Mary Fillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Fillo was last updated on February 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mary Elizabeth Fillo, CRNA · NPI 1316264963
Nurse Anesthetist, Certified Registered physician in New Castle, Delaware. Individual provider, active in the CMS NPPES registry since April 22, 2010.
## Identity
- **NPI:** 1316264963 (Entity type: Individual)
- **Enumerated:** April 22, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** L1-0030725 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 READS WAY, SUITE 201, New Castle, DE 19720-1607
- **Phone:** (302) 709-4706 · **Fax:** (302) 709-4551
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Anesthesia Services PA (NPI 1053366377, New Castle, DE); Amsurg Lewes Anesthesia LLC (NPI 1437497930, Lewes, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** February 28, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1316264963) · Data from the CMS NPPES public registry.