TIMOTHY HOLLERAN CRNA
NPI 1265523880
Nurse Anesthetist, Certified Registered in New Castle, DE
About Timothy Holleran Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY HOLLERAN CRNA (NPI 1265523880) is an individual nurse anesthetist, certified registered in New Castle, Delaware, licensed in Delaware (L1-0027580) and active in the NPI registry since September 2006. He is a graduate of Other (2004).
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
Timothy Holleran 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
3Medicare enrollment records show Timothy Holleran reassigns Medicare billing to 3 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
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 104 clinicians in this Medicare group
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 178 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 2
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 Timothy Holleran's NPI number?
The NPI number for Timothy Holleran is 1265523880. It was assigned to this individual provider in the NPPES registry on September 27, 2006.
Where is Timothy Holleran located?
Timothy Holleran practices at 2 Reads Way Suite 201, New Castle, DE 19720. The listed phone number is (302) 709-4504.
What is Timothy Holleran's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Timothy Holleran enrolled in Medicare?
Yes. Timothy Holleran 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 Timothy Holleran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Holleran reassigns Medicare benefits to 3 organizations: Anesthesia Services PA (New Castle, DE), Delaware Center For Digestive Care LLC (Newark, DE) and Northstar Anesthesia Of Delaware, LLC (Wilmington, 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 Timothy Holleran'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 Timothy Holleran was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Timothy Holleran, CRNA · NPI 1265523880
Nurse Anesthetist, Certified Registered physician in New Castle, Delaware. Individual provider, active in the CMS NPPES registry since September 27, 2006.
## Identity
- **NPI:** 1265523880 (Entity type: Individual)
- **Enumerated:** September 27, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** L1-0027580 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 READS WAY, SUITE 201, New Castle, DE 19720-1607
- **Phone:** (302) 709-4504
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Anesthesia Services PA (NPI 1053366377, New Castle, DE); Delaware Center For Digestive Care LLC (NPI 1558722561, Newark, DE); Northstar Anesthesia Of Delaware, LLC (NPI 1316544976, Wilmington, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1265523880) · Data from the CMS NPPES public registry.