DR. STEPHANIE SMITH-MARRONE M.D.
NPI 1912037193
Internal Medicine - Medical Oncology in Bronxville, NY
About Dr. Stephanie Smith-marrone M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE SMITH-MARRONE M.D. (NPI 1912037193) is an individual medical oncology provider in Bronxville, New York, licensed in New York (235387) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2001).
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 and accepts Medicare assignment
Dr. Stephanie Smith-marrone M.d. 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 Reassignments
3Medicare enrollment records show Stephanie Smith-marrone reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 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 5
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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BRONXVILLE, NY 10708
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 Stephanie Smith-marrone's NPI number?
The NPI number for Stephanie Smith-marrone is 1912037193. It was assigned to this individual provider in the NPPES registry on March 6, 2007.
Where is Stephanie Smith-marrone located?
Stephanie Smith-marrone practices at 55 Palmer Ave, Bronxville, NY 10708. The listed phone number is (914) 787-3100.
What is Stephanie Smith-marrone's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Stephanie Smith-marrone enrolled in Medicare?
Yes. Stephanie Smith-marrone 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 organizations bill Medicare for Stephanie Smith-marrone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Smith-marrone reassigns Medicare benefits to 3 organizations: Lawrence Medical Associates, PC (Bronxville, NY), Trustees Of Columbia University In The City Of New York (New York, NY) and Westchester Medical Center Advanced Physician Services PC (Valhalla, NY). Each 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 Stephanie Smith-marrone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephanie Smith-marrone affiliated with any hospitals?
According to CMS data, Stephanie Smith-marrone is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Stephanie Smith-marrone was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.