DR. BENJAMIN A SPENCER MD
NPI 1942243118
Urology in Mount Kisco, NY
About Dr. Benjamin A Spencer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN A SPENCER MD (NPI 1942243118) is an individual urology provider in Mount Kisco, New York, licensed in New York (231292) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Benjamin A Spencer 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 Benjamin Spencer 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 29
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 10549 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
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 Benjamin Spencer's NPI number?
The NPI number for Benjamin Spencer is 1942243118. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Benjamin Spencer located?
Benjamin Spencer practices at 90 S Bedford Rd Caremount Medical PC, Mount Kisco, NY 10549. The listed phone number is (914) 241-1050.
What is Benjamin Spencer's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Benjamin Spencer enrolled in Medicare?
Yes. Benjamin Spencer 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 Benjamin Spencer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Spencer 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 Benjamin Spencer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Spencer affiliated with any hospitals?
According to CMS data, Benjamin Spencer is affiliated with Northern Westchester Hospital.
When was this NPI record last updated?
The NPPES record for Benjamin Spencer was last updated on February 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.