LESLEY ANNE BENNICI M.D.
NPI 1265799423
Anesthesiology in Stony Brook, NY
About Lesley Anne Bennici M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLEY ANNE BENNICI M.D. (NPI 1265799423) is an individual anesthesiology provider in Stony Brook, New York, licensed in New York (279323-1) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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
Lesley Anne Bennici M.d. 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 Lesley Bennici reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 103 clinicians in this Medicare group
Rego Park, NY 11374
- Reassigned Medicare billing, New York enrollment
- 1,074 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Suny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STONY BROOK, NY 11794
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 Lesley Bennici's NPI number?
The NPI number for Lesley Bennici is 1265799423. It was assigned to this individual provider in the NPPES registry on April 12, 2012. The provider is also known as Lesley Anne Russell.
Where is Lesley Bennici located?
Lesley Bennici practices at Department Of Anesthesiology Stony Brook Medicine, Stony Brook, NY 11794. The listed phone number is (631) 444-2975.
What is Lesley Bennici's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lesley Bennici enrolled in Medicare?
Yes. Lesley Bennici 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 Lesley Bennici's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Bennici reassigns Medicare benefits to 2 organizations: Stony Brook Anaesthesiology, University Faculty Practice Corporation (Stony Brook, NY) and New York University (Rego Park, NY). 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 Lesley Bennici's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lesley Bennici affiliated with any hospitals?
According to CMS data, Lesley Bennici is affiliated with Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Lesley Bennici was last updated on May 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Lesley Anne Bennici, M.D. · NPI 1265799423
Anesthesiology physician in Stony Brook, New York. Individual provider, active in the CMS NPPES registry since April 12, 2012.
## Identity
- **NPI:** 1265799423 (Entity type: Individual)
- **Enumerated:** April 12, 2012
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 279323-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** DEPARTMENT OF ANESTHESIOLOGY STONY BROOK MEDICINE, Stony Brook, NY 11794-6402
- **Phone:** (631) 444-2975
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stony Brook Anaesthesiology, University Faculty Practice Corporation (NPI 1801841184, Stony Brook, NY); New York University (NPI 1669422879, Rego Park, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** May 2, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1265799423) · Data from the CMS NPPES public registry.