ALYSSA M AUERBACH DO
NPI 1356082424
Emergency Medicine in Plainview, NY
About Alyssa M Auerbach Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA M AUERBACH DO (NPI 1356082424) is an individual emergency medicine provider in Plainview, New York, licensed in New York (336136) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Alyssa M Auerbach Do 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 Alyssa Auerbach reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- 255 clinicians in this Medicare group
Dobbs Ferry, NY 10522
- Reassigned Medicare billing, New York enrollment
- 61 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPlainview Hospital
Acute Care Hospitals · Plainview, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11803 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PLAINVIEW, NY 11803
PLAINVIEW, NY 11803
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 Alyssa Auerbach's NPI number?
The NPI number for Alyssa Auerbach is 1356082424. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Alyssa Auerbach located?
Alyssa Auerbach practices at 888 Old Country Rd, Plainview, NY 11803. The listed phone number is (516) 719-3000.
What is Alyssa Auerbach's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alyssa Auerbach enrolled in Medicare?
Yes. Alyssa Auerbach 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 Alyssa Auerbach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Auerbach reassigns Medicare benefits to 3 organizations: North Shore-Lij Medical PC (Great Neck, NY), John T. Mather Memorial Hospital (Port Jefferson, NY) and Dobbs Ferry Emergency Medicine, PC (Dobbs Ferry, 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 Alyssa Auerbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alyssa Auerbach affiliated with any hospitals?
According to CMS data, Alyssa Auerbach is affiliated with North Shore University Hospital, Long Island Jewish Medical Center and Plainview Hospital.
When was this NPI record last updated?
The NPPES record for Alyssa Auerbach was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# Alyssa M Auerbach, DO · NPI 1356082424
Emergency Medicine physician in Plainview, New York. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1356082424 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 336136 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 888 OLD COUNTRY RD, Plainview, NY 11803-4914
- **Phone:** (516) 719-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); John T. Mather Memorial Hospital (NPI 1467249334, Port Jefferson, NY); Dobbs Ferry Emergency Medicine, PC (NPI 1457381477, Dobbs Ferry, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2022
## Record status
- **NPPES last updated:** September 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356082424) · Data from the CMS NPPES public registry.