CASSANDRA MARKHAM
NPI 1417659228
Nurse Practitioner - Family in East Meadow, NY
About Cassandra Markham NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSANDRA MARKHAM (NPI 1417659228) is an individual family provider in East Meadow, New York, licensed in New York (F350899-01) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.
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 (PECOS)
Cassandra Markham is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Cassandra Markham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manhasset, NY 11030
- Reassigned Medicare billing, New York enrollment
- 44 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 32 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
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 11554 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 Cassandra Markham's NPI number?
The NPI number for Cassandra Markham is 1417659228. It was assigned to this individual provider in the NPPES registry on March 17, 2023.
Where is Cassandra Markham located?
Cassandra Markham practices at 50 Dorothy Dr, East Meadow, NY 11554. The listed phone number is (516) 870-2065.
What is Cassandra Markham's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cassandra Markham enrolled in Medicare?
Yes. Cassandra Markham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Cassandra Markham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Markham reassigns Medicare benefits to 2 organizations: North Shore Faculty Medical Affiliates, University Faculty Prac (Manhasset, NY) and Medical Services Of Kips Bay PC (Great Neck, 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 Cassandra Markham'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 Cassandra Markham was last updated on March 17, 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.