MARK KENNETH ELLIS M.D.
NPI 1659682219
Emergency Medicine - Emergency Medical Services in New York, NY
About Mark Kenneth Ellis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK KENNETH ELLIS M.D. (NPI 1659682219) is an individual emergency medical services provider in New York, New York, licensed in Arizona (R72186) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Kenneth Ellis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Ellis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Birmingham, AL 35205
- Reassigned Medicare billing, Florida enrollment
- 802 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10011 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 Mark Ellis's NPI number?
The NPI number for Mark Ellis is 1659682219. It was assigned to this individual provider in the NPPES registry on June 29, 2010.
Where is Mark Ellis located?
Mark Ellis practices at 2 5th Ave Apt 2D, New York, NY 10011. The listed phone number is (914) 393-2368.
What is Mark Ellis's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Mark Ellis enrolled in Medicare?
Yes. Mark Ellis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Ellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ellis reassigns Medicare benefits to 2 organizations: Paragon Contracting Services LLC (Birmingham, AL) and Emergency Medicine Services Of Fl, LLC (Aventura, FL). 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 Mark Ellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Ellis accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare and Oscar Health Maintenance Organization of Florida list Mark Ellis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Ellis was last updated on June 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.