CASSANDRA MARKHAM
NPI 1417659228
Nurse Practitioner - Family in East Meadow, NY

Active since March 17, 2023PECOS Enrolled
50 DOROTHY DR, EAST MEADOW, NY 11554(516) 870-2065 Get Directions Write a Review

NPPES record last updated: March 17, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1417659228
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCASSANDRA MARKHAM
Location Address50 DOROTHY DREast Meadow, NY 11554-1118
Mailing Address50 Dorothy DrEast Meadow, NY 11554-1118 · (516) 870-2065
Sole ProprietorNo
Enumeration DateMarch 17, 2023
NPPES CertifiedMarch 17, 2023
✔ NPI 1417659228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F350899-01
50 DOROTHY DR, East Meadow, NY 11554

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Obstetrics & Gynecology
300 COMMUNITY DR
Manhasset, NY 11030
  • Reassigned Medicare billing, New York enrollment
  • 44 clinicians in this Medicare group
Neurology
170 GREAT NECK RD
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
12 services12 patients

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.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.