ALISON ESTABROOK MD
NPI 1922087931
Surgery in New York, NY
About Alison Estabrook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON ESTABROOK MD (NPI 1922087931) is an individual surgery provider in New York, New York, licensed in New York (139740) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alison Estabrook Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alison Estabrook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 346 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10019 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.
NEW YORK, NY 10019
NEW YORK, NY 10019
NEW YORK, NY 10019
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 Alison Estabrook's NPI number?
The NPI number for Alison Estabrook is 1922087931. It was assigned to this individual provider in the NPPES registry on January 10, 2006.
Where is Alison Estabrook located?
Alison Estabrook practices at 5 Columbus Cir 8th Floor, New York, NY 10019. The listed phone number is (212) 664-9323.
What is Alison Estabrook's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Alison Estabrook enrolled in Medicare?
Yes. Alison Estabrook is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alison Estabrook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Estabrook 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 Alison Estabrook'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 Alison Estabrook was last updated on November 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.