BRITTANY LEE MULLIGAN CRNA
NPI 1154928711
Anesthesiology in Bay Shore, NY
About Brittany Lee Mulligan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRITTANY LEE MULLIGAN CRNA (NPI 1154928711) is an individual anesthesiology provider in Bay Shore, New York, licensed in New York (686868) and active in the NPI registry since October 2020. She is affiliated with Ns/lij Hs Southside Hospital and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 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
Brittany Lee Mulligan 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 Reassignment
Medicare enrollment records show Brittany Mulligan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 1,406 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.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAY SHORE, NY 11706
BAY SHORE, NY 11706
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 Brittany Mulligan's NPI number?
The NPI number for Brittany Mulligan is 1154928711. It was assigned to this individual provider in the NPPES registry on October 7, 2020. The provider is also known as Ms. Brittany Lee Griebel.
Where is Brittany Mulligan located?
Brittany Mulligan practices at 301 E Main St, Bay Shore, NY 11706. The listed phone number is (631) 968-3000.
What is Brittany Mulligan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Brittany Mulligan enrolled in Medicare?
Yes. Brittany Mulligan 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 organization bills Medicare for Brittany Mulligan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brittany Mulligan reassigns Medicare benefits to North Shore - Lij Anesthesiology, PC (Chappaqua, NY). The 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 Brittany Mulligan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brittany Mulligan affiliated with any hospitals?
According to CMS data, Brittany Mulligan is affiliated with Ns/Lij Hs Southside Hospital.
When was this NPI record last updated?
The NPPES record for Brittany Mulligan was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.