JAMES CASTELLONE MD
NPI 1871568964
Emergency Medicine in Manchester, CT
About James Castellone Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES CASTELLONE MD (NPI 1871568964) is an individual emergency medicine provider in Manchester, Connecticut, licensed in Connecticut (36198) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James Castellone Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show James Castellone reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Emergency Care Services Of Connecticut PC
- 38 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 60 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 94 clinicians in this Medicare group
Vernon, CT 06066
- Reassigned Medicare billing, Connecticut enrollment
- 96 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 104 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 96 clinicians in this Medicare group
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 83 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 2
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 06040 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.
MANCHESTER, CT 06040
MANCHESTER, CT 06040
MANCHESTER, CT 06040
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 James Castellone's NPI number?
The NPI number for James Castellone is 1871568964. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is James Castellone located?
James Castellone practices at 71 Haynes St Manchester Memorial Hospital, Manchester, CT 06040. The listed phone number is (860) 647-4738.
What is James Castellone's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Castellone enrolled in Medicare?
Yes. James Castellone is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Castellone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Castellone reassigns Medicare benefits to 7 organizations: Emergency Care Services Of Connecticut, P.C. (Manchester, CT), Manchester Memorial Hospital, Inc. (Manchester, CT), Prospect Manchester Hospital, Inc. (Manchester, CT), Prospect Rockville Hospital, Inc. (Vernon, CT), Northeast Emergency Medicine Specialists, LLC (Willimantic, CT) and 2 more organizations, listed in the Medicare section above. 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 James Castellone'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 James Castellone was last updated on October 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# James Castellone, MD · NPI 1871568964
Emergency Medicine physician in Manchester, Connecticut. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1871568964 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 36198 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 71 HAYNES ST, MANCHESTER MEMORIAL HOSPITAL, Manchester, CT 06040-4131
- **Phone:** (860) 647-4738
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Emergency Care Services Of Connecticut, P.C. (NPI 1518519461, Manchester, CT); Manchester Memorial Hospital, Inc. (NPI 1295695039, Manchester, CT); Prospect Manchester Hospital, Inc. (NPI 1316394638, Manchester, CT); Prospect Rockville Hospital, Inc. (NPI 1205283538, Vernon, CT); Northeast Emergency Medicine Specialists, LLC (NPI 1982889598, Willimantic, CT); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 5, 2007
- **Other identifiers:** Medicare UPIN G77087 (CT)
---
Source: [NPI Profile](https://npiprofile.com/npi/1871568964) · Data from the CMS NPPES public registry.