MATTHEW D EPSTEIN MD
NPI 1922000793
Internal Medicine - Sleep Medicine in Cedar Knolls, NJ
About Matthew D Epstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW D EPSTEIN MD (NPI 1922000793) is an individual sleep medicine provider in Cedar Knolls, New Jersey, licensed in New Jersey (25MA06940100) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Matthew D Epstein 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 Reassignment
Medicare enrollment records show Matthew Epstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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 7
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.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJChilton Medical Center
Acute Care Hospitals · Pompton Plains, NJSt Joseph's University Medical Center Inc
Acute Care Hospitals · Paterson, NJNewton Medical Center
Acute Care Hospitals · Newton, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07927 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 23
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
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 Matthew Epstein's NPI number?
The NPI number for Matthew Epstein is 1922000793. It was assigned to this individual provider in the NPPES registry on August 11, 2005.
Where is Matthew Epstein located?
Matthew Epstein practices at 8 Saddle Rd First Floor, Cedar Knolls, NJ 07927. The listed phone number is (973) 267-9393.
What is Matthew Epstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Matthew Epstein enrolled in Medicare?
Yes. Matthew Epstein 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 organization bills Medicare for Matthew Epstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Epstein reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). The 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 Matthew Epstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Epstein accept?
Health plans from Oscar Health list Matthew Epstein 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 Matthew Epstein affiliated with any hospitals?
According to CMS data, Matthew Epstein is affiliated with Morristown Medical Center, Chilton Medical Center, St Joseph's University Medical Center Inc, Newton Medical Center and Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Epstein was last updated on February 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.