LAUREN PARNELL-CASSIDY MD
NPI 1679707244
Anesthesiology in Melville, NY
About Lauren Parnell-cassidy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN PARNELL-CASSIDY MD (NPI 1679707244) is an individual anesthesiology provider in Melville, New York, licensed in New York (2588391) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of New York University Medical College - Nlg (2009).
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
Lauren Parnell-cassidy Md 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 Lauren Parnell-cassidy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 245 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.
Mount Sinai South Nassau
Acute Care Hospitals · Oceanside, 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.
MELVILLE, NY 11747
MELVILLE, NY 11747
MELVILLE, NY 11747
MELVILLE, NY 11747
MELVILLE, NY 11747
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 Lauren Parnell-cassidy's NPI number?
The NPI number for Lauren Parnell-cassidy is 1679707244. It was assigned to this individual provider in the NPPES registry on May 11, 2009.
Where is Lauren Parnell-cassidy located?
Lauren Parnell-cassidy practices at 68 S Service Rd Suite 350, Melville, NY 11747. The listed phone number is (703) 295-9360.
What is Lauren Parnell-cassidy's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lauren Parnell-cassidy enrolled in Medicare?
Yes. Lauren Parnell-cassidy 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 Lauren Parnell-cassidy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Parnell-cassidy reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Lauren Parnell-cassidy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lauren Parnell-cassidy affiliated with any hospitals?
According to CMS data, Lauren Parnell-cassidy is affiliated with Mount Sinai South Nassau.
When was this NPI record last updated?
The NPPES record for Lauren Parnell-cassidy was last updated on June 26, 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.