MARC FAFALAK MD
NPI 1629504741
Internal Medicine - Sports Medicine in Yonkers, NY
About Marc Fafalak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC FAFALAK MD (NPI 1629504741) is an individual sports medicine provider in Yonkers, New York, licensed in New York (306210) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 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
Marc Fafalak 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 Reassignments
2Medicare enrollment records show Marc Fafalak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Yonkers, NY 10701
- Reassigned Medicare billing, New York enrollment
- 130 clinicians in this Medicare group
Rye Brook, NY 10573
- Reassigned Medicare billing, New York enrollment
- 470 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 9
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.
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 Marc Fafalak's NPI number?
The NPI number for Marc Fafalak is 1629504741. It was assigned to this individual provider in the NPPES registry on May 10, 2017.
Where is Marc Fafalak located?
Marc Fafalak practices at 73 Market St Ste 201, Yonkers, NY 10710. The listed phone number is (914) 831-4160.
What is Marc Fafalak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sports Medicine, with taxonomy code 207RS0010X.
Is Marc Fafalak enrolled in Medicare?
Yes. Marc Fafalak 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 Marc Fafalak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Fafalak reassigns Medicare benefits to 2 organizations: Symphony Medical PC (Yonkers, NY) and Westchester Medical Group, P.C. (Rye Brook, 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 Marc Fafalak'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 Marc Fafalak was last updated on March 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.