DEREK M MASON MD
NPI 1396918371
Radiology - Diagnostic Radiology in New York, NY
About Derek M Mason Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEREK M MASON MD (NPI 1396918371) is an individual diagnostic radiology provider in New York, New York, licensed in Ohio (35.146684) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Derek M Mason 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
4Medicare enrollment records show Derek Mason reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lindenhurst, NY 11757
- Reassigned Medicare billing, California and New York enrollments
- 20 clinicians in this Medicare group
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, New York enrollment
- 8 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, California, Florida and New York enrollments
- 21 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 14
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Community Hospital
Acute Care Hospitals · Patchogue, NYNyu Langone Hospitals
Acute Care Hospitals · New York, NYParma Community General Hospital
Acute Care Hospitals · Parma, OHUh Regional Hospitals
Acute Care Hospitals · Chardon, OHLake Health
Acute Care Hospitals · Concord, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 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.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Derek Mason's NPI number?
The NPI number for Derek Mason is 1396918371. It was assigned to this individual provider in the NPPES registry on April 10, 2008.
Where is Derek Mason located?
Derek Mason practices at 622 W 168th St, New York, NY 10032. The listed phone number is (212) 305-9335.
What is Derek Mason's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Derek Mason enrolled in Medicare?
Yes. Derek Mason 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 Derek Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Mason reassigns Medicare benefits to 4 organizations: Zwanger & Pesiri Radiology Group, LLP (Lindenhurst, NY), North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY), University Hospitals Medical Group Inc (Cleveland, OH) and New York University (Boynton Beach, 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 Derek Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Mason accept?
Health plans from CareSource and Oscar Health Maintenance Organization of Florida list Derek Mason 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.
Is Derek Mason affiliated with any hospitals?
According to CMS data, Derek Mason is affiliated with Long Island Community Hospital, Nyu Langone Hospitals, Parma Community General Hospital, Uh Regional Hospitals and Lake Health.
When was this NPI record last updated?
The NPPES record for Derek Mason was last updated on April 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.