DR. THOMAS NILAN BYRNE MD
NPI 1346230075
Psychiatry & Neurology - Neurology in Boston, MA
About Dr. Thomas Nilan Byrne Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS NILAN BYRNE MD (NPI 1346230075) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (223263) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Thomas Nilan Byrne Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Byrne reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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
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 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Thomas Byrne's NPI number?
The NPI number for Thomas Byrne is 1346230075. It was assigned to this individual provider in the NPPES registry on October 25, 2005.
Where is Thomas Byrne located?
Thomas Byrne practices at 15 Parkman St Wac 835 Neurology Associates, Boston, MA 02114. The listed phone number is (617) 724-0880.
What is Thomas Byrne's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Thomas Byrne enrolled in Medicare?
Yes. Thomas Byrne is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thomas Byrne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Byrne reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Thomas Byrne'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 Thomas Byrne was last updated on December 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Thomas Nilan Byrne, MD · NPI 1346230075
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 25, 2005.
## Identity
- **NPI:** 1346230075 (Entity type: Individual)
- **Enumerated:** October 25, 2005
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 223263 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 PARKMAN ST, WAC 835 NEUROLOGY ASSOCIATES, Boston, MA 02114-3117
- **Phone:** (617) 724-0880
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 14, 2012
- **Other identifiers:** Medicare UPIN D74041; Medicaid 2097028 (MA); Other J28402 (MA); and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1346230075) · Data from the CMS NPPES public registry.