DR. GREGORY CORCORAN M.D.
NPI 1023409323
Emergency Medicine in Columbus, NJ
About Dr. Gregory Corcoran M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY CORCORAN M.D. (NPI 1023409323) is an individual emergency medicine provider in Columbus, New Jersey, licensed in New Jersey (25MA09626700) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gregory Corcoran M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Gregory Corcoran reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Holly, NJ 08060
- Reassigned Medicare billing, New Jersey enrollment
- 56 clinicians in this Medicare group
Trenton, NJ 08638
- Reassigned Medicare billing, New Jersey enrollment
- 600 clinicians in this Medicare group
Aberdeen, MD 21001
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- Also billed through NPI 1225889272 (District of Columbia)
- 729 clinicians in this Medicare group
Chestertown, MD 21620
- Reassigned Medicare billing, Maryland enrollment
- 172 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, Maryland enrollment
- 301 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 5
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 08022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gregory Corcoran's NPI number?
The NPI number for Gregory Corcoran is 1023409323. It was assigned to this individual provider in the NPPES registry on February 9, 2015.
Where is Gregory Corcoran located?
Gregory Corcoran practices at 9 Sherwood Ln, Columbus, NJ 08022. The listed phone number is (908) 280-4947.
What is Gregory Corcoran's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Corcoran enrolled in Medicare?
Yes. Gregory Corcoran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gregory Corcoran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Corcoran reassigns Medicare benefits to 5 organizations: Clare Medical Of New Jersey LLC (Mount Holly, NJ), Capital Health Multispecialty Group (Trenton, NJ), Emergency Medicine Associates, PA (Aberdeen, MD), Chester River Hospital Center (Chestertown, MD) and Mep Health, LLC (Rockville, MD). 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 Gregory Corcoran'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 Gregory Corcoran was last updated on April 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Gregory Corcoran, M.D. · NPI 1023409323
Emergency Medicine physician in Columbus, New Jersey. Individual provider, active in the CMS NPPES registry since February 9, 2015.
## Identity
- **NPI:** 1023409323 (Entity type: Individual)
- **Enumerated:** February 9, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MA09626700 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 9 SHERWOOD LN, Columbus, NJ 08022-2247
- **Phone:** (908) 280-4947
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Clare Medical Of New Jersey LLC (NPI 1255718276, Mount Holly, NJ); Capital Health Multispecialty Group (NPI 1083072342, Trenton, NJ); Emergency Medicine Associates, PA (NPI 1609627082, Aberdeen, MD); Chester River Hospital Center (NPI 1679536809, Chestertown, MD); Mep Health, LLC (NPI 1164483558, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1023409323) · Data from the CMS NPPES public registry.