DR. IAN JAMES THORNLEY MB BS
NPI 1609884519
Emergency Medicine - Pediatric Emergency Medicine in Salem, MA
About Dr. Ian James Thornley Mb Bs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN JAMES THORNLEY MB BS (NPI 1609884519) is an individual pediatric emergency medicine provider in Salem, Massachusetts, licensed in Massachusetts (215122) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ian James Thornley Mb Bs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ian Thornley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01970 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALEM, MA 01970
SALEM, MA 01970
SALEM, MA 01970
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 Ian Thornley's NPI number?
The NPI number for Ian Thornley is 1609884519. It was assigned to this individual provider in the NPPES registry on August 4, 2006.
Where is Ian Thornley located?
Ian Thornley practices at 57 Highland Ave North Shore Childrens Hospital Pediatric Emergency Room, Salem, MA 01970. The listed phone number is (978) 354-2750.
What is Ian Thornley's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.
Is Ian Thornley enrolled in Medicare?
Yes. Ian Thornley is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ian Thornley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Thornley reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). 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 Ian Thornley'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 Ian Thornley was last updated on July 8, 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.
# Dr. Ian James Thornley, MB BS · NPI 1609884519
Pediatric Emergency Medicine physician in Salem, Massachusetts. Individual provider, active in the CMS NPPES registry since August 4, 2006.
## Identity
- **NPI:** 1609884519 (Entity type: Individual)
- **Enumerated:** August 4, 2006
- **Primary specialty:** Emergency Medicine - Pediatric Emergency Medicine · taxonomy 207PP0204X
- **State license:** 215122 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 57 HIGHLAND AVE, NORTH SHORE CHILDRENS HOSPITAL PEDIATRIC EMERGENCY ROOM, Salem, MA 01970
- **Phone:** (978) 354-2750
## 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:** Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified A34422 (MA); Medicare UPIN H67427; Medicaid 0175587 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1609884519) · Data from the CMS NPPES public registry.