CAROL ANN RAYNER MD
NPI 1386623809
Internal Medicine in Waccabuc, NY
About Carol Ann Rayner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL ANN RAYNER MD (NPI 1386623809) is an individual internal medicine provider in Waccabuc, New York, licensed in New York (191333) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Carol Ann Rayner 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 Carol Rayner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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 25
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.
Northern Westchester Hospital
Acute Care Hospitals · Mount Kisco, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10597 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Carol Rayner's NPI number?
The NPI number for Carol Rayner is 1386623809. It was assigned to this individual provider in the NPPES registry on January 12, 2006.
Where is Carol Rayner located?
Carol Rayner practices at 65 Chapel Rd, Waccabuc, NY 10597. The listed phone number is (914) 763-8723.
What is Carol Rayner's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Carol Rayner enrolled in Medicare?
Yes. Carol Rayner 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 Carol Rayner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Rayner reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, 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 Carol Rayner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carol Rayner affiliated with any hospitals?
According to CMS data, Carol Rayner is affiliated with Northern Westchester Hospital.
When was this NPI record last updated?
The NPPES record for Carol Rayner was last updated on February 12, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.