STACY S GROSS MD
NPI 1437295151
Physical Medicine & Rehabilitation in Mount Kisco, NY
About Stacy S Gross Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACY S GROSS MD (NPI 1437295151) is an individual physical medicine & rehabilitation provider in Mount Kisco, New York, licensed in New York (249121) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Stacy S Gross 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 Stacy Gross 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 10
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Westchester Hospital
Acute Care Hospitals · Mount Kisco, NYPhelps Hospital
Acute Care Hospitals · Sleepy Hollow, NYHudson Valley Hospital Center
Acute Care Hospitals · Cortlandt Manor, NYPutnam Hospital Center
Acute Care Hospitals · Carmel, NYOther 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 Stacy Gross's NPI number?
The NPI number for Stacy Gross is 1437295151. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Stacy Gross located?
Stacy Gross practices at 90 S Bedford Rd Care Mount Medical PC, Mount Kisco, NY 10549. The listed phone number is (914) 241-1050.
What is Stacy Gross's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Stacy Gross enrolled in Medicare?
Yes. Stacy Gross 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 Stacy Gross's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Gross 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 Stacy Gross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stacy Gross affiliated with any hospitals?
According to CMS data, Stacy Gross is affiliated with Northern Westchester Hospital, Phelps Hospital, Hudson Valley Hospital Center and Putnam Hospital Center.
When was this NPI record last updated?
The NPPES record for Stacy Gross was last updated on November 11, 2016. 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.