SEAN BYRNES MD
NPI 1154818193
Internal Medicine - Clinical Cardiac Electrophysiology in Springfield, MA
About Sean Byrnes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN BYRNES MD (NPI 1154818193) is an individual clinical cardiac electrophysiology provider in Springfield, Massachusetts, licensed in Massachusetts (1026783) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sean Byrnes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
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 01103 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01103
SPRINGFIELD, MA 01103
SPRINGFIELD, MA 01103
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 Sean Byrnes's NPI number?
The NPI number for Sean Byrnes is 1154818193. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Sean Byrnes located?
Sean Byrnes practices at 50 Maple St, Springfield, MA 01103. The listed phone number is (413) 748-6484.
What is Sean Byrnes's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Sean Byrnes enrolled in Medicare?
Yes. Sean Byrnes is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Sean Byrnes was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Sean Byrnes, MD · NPI 1154818193
Clinical Cardiac Electrophysiology physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1154818193 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** 1026783 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 50 MAPLE ST, Springfield, MA 01103-1979
- **Phone:** (413) 748-6484
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154818193) · Data from the CMS NPPES public registry.