MIDDLESEX EMERGENCY PHYSICIANS, P.A.
NPI 1811921760
Emergency Medicine in Edison, NJ
About Middlesex Emergency Physicians, P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIDDLESEX EMERGENCY PHYSICIANS, P.A. (NPI 1811921760) is a healthcare organization registered as an emergency medicine in Edison, New Jersey and active in the NPI registry since July 2006. The organization lists David J Istvan, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Middlesex Emergency Physicians, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
156Medicare enrollment records show 156 clinicians reassign Medicare billing to Middlesex Emergency Physicians, P.A., which bills Medicare for the services they deliver. Of these, 12 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 156Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Middlesex Emergency Physicians, P.A.'s NPI number?
The NPI number for Middlesex Emergency Physicians, P.A. is 1811921760. It was assigned to this organization in the NPPES registry on July 10, 2006.
Where is Middlesex Emergency Physicians, P.A. located?
Middlesex Emergency Physicians, P.A. is located at 65 James St, Edison, NJ 08820. The listed phone number is (732) 321-7000.
What is Middlesex Emergency Physicians, P.A.'s specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Middlesex Emergency Physicians, P.A. enrolled in Medicare?
Yes. Middlesex Emergency Physicians, P.A. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Middlesex Emergency Physicians, P.A.?
According to the CMS Revalidation Reassignment List (October 2026 release), 156 clinicians in 5 Medicare specialties reassign their Medicare billing to Middlesex Emergency Physicians, P.A.. A 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 the clinician's services. The largest specialties are Emergency Medicine (107), Pediatric Medicine (27) and Nurse Practitioner (13). Of these, 12 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Middlesex Emergency Physicians, P.A. was last updated on May 26, 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.
# Middlesex Emergency Physicians, P.a. · NPI 1811921760
Emergency Medicine organization in Edison, New Jersey. Organization record, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1811921760 (Entity type: Organization)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** David Istvan, DIRECTOR
## Practice location
- **Address:** 65 JAMES ST, Edison, NJ 08820-3947
- **Phone:** (732) 321-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 156 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (107), Pediatric Medicine (27), Nurse Practitioner (13); 12 practice at this address and 25 within 10 miles; [full list](https://npiprofile.com/npi/1811921760/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 26, 2023
- **Other identifiers:** Other CD5595 (NJ); Medicaid 7372205 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1811921760) · Data from the CMS NPPES public registry.