DR. REBECCA ALLYN CORWIN M.D.
NPI 1821364381
Pediatrics - Neonatal-Perinatal Medicine in New York, NY
About Dr. Rebecca Allyn Corwin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REBECCA ALLYN CORWIN M.D. (NPI 1821364381) is an individual neonatal-perinatal medicine provider in New York, New York, licensed in New York (2807391) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Rebecca Allyn Corwin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rebecca Corwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 980 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.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10065
NEW YORK, NY 10065
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 Rebecca Corwin's NPI number?
The NPI number for Rebecca Corwin is 1821364381. It was assigned to this individual provider in the NPPES registry on March 29, 2012.
Where is Rebecca Corwin located?
Rebecca Corwin practices at 525 E 68th Street Department Of Neonatal-Perinatal Medicine, New York, NY 10065. The listed phone number is (212) 746-3549.
What is Rebecca Corwin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Rebecca Corwin enrolled in Medicare?
Yes. Rebecca Corwin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rebecca Corwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Corwin reassigns Medicare benefits to Weill Medical College Of Cornell (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 Rebecca Corwin'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 Rebecca Corwin was last updated on April 18, 2019. 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.