DR. MATTHEW CHRISTOPHER BYRNES MD
NPI 1063545317
Surgery - Surgical Critical Care in Evansville, IN
About Dr. Matthew Christopher Byrnes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW CHRISTOPHER BYRNES MD (NPI 1063545317) is an individual surgical critical care provider in Evansville, Indiana, licensed in Kansas (04-30808) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 4
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Christopher Byrnes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
17Medicare enrollment records show Matthew Byrnes reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norton, VA 24273
- Reassigned Medicare billing, Virginia enrollment
- 207 clinicians in this Medicare group
Mount Pleasant, IA 52641
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1871177477 (Iowa)
- 142 clinicians in this Medicare group
Dawsonville, GA 30534
- Reassigned Medicare billing, Georgia enrollment
- 466 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 275 clinicians in this Medicare group
Waterloo, IA 50703
- Reassigned Medicare billing, Iowa enrollment
- 273 clinicians in this Medicare group
Laurel, MS 39440
- Reassigned Medicare billing, Mississippi enrollment
- 696 clinicians in this Medicare group
Hazlehurst, MS 39083
- Reassigned Medicare billing, Mississippi enrollment
- 88 clinicians in this Medicare group
Prentiss, MS 39474
- Reassigned Medicare billing, Mississippi enrollment
- 248 clinicians in this Medicare group
Sumter, SC 29150
- Reassigned Medicare billing, Mississippi enrollment
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 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 10
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allen Hospital
Acute Care Hospitals · Waterloo, IANorthwest Texas Hospital
Acute Care Hospitals · Amarillo, TXLonesome Pine Hospital
Acute Care Hospitals · Big Stone Gap, VALee County Community Hospital
Critical Access Hospitals · Pennington Gap, VAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EVANSVILLE, IN 47710
EVANSVILLE, IN 47710
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 Matthew Byrnes's NPI number?
The NPI number for Matthew Byrnes is 1063545317. It was assigned to this individual provider in the NPPES registry on March 14, 2007.
Where is Matthew Byrnes located?
Matthew Byrnes practices at 520 Mary St Ste 520, Evansville, IN 47710. The listed phone number is (812) 424-8231.
What is Matthew Byrnes's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Matthew Byrnes enrolled in Medicare?
Yes. Matthew Byrnes is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Matthew Byrnes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Byrnes reassigns Medicare benefits to 17 organizations: Western Virginia Regional Emergency Physicians, LLC (Norton, VA), Henry County Health Center, Inc. (Mount Pleasant, IA), Northside Primary Care Professional Services, LLC (Dawsonville, GA), Gwinnett Physician Group, LLC (Lawrenceville, GA), Allen Memorial Hospital Corporation (Waterloo, IA) and 12 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 Matthew Byrnes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Byrnes accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, CareSource and Cigna Healthcare and 2 other insurers list Matthew Byrnes as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Matthew Byrnes affiliated with any hospitals?
According to CMS data, Matthew Byrnes is affiliated with Allen Hospital, Northwest Texas Hospital, Lonesome Pine Hospital and Lee County Community Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Byrnes was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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. Matthew Christopher Byrnes, MD · NPI 1063545317
Surgical Critical Care physician in Evansville, Indiana. Individual provider, active in the CMS NPPES registry since March 14, 2007.
## Identity
- **NPI:** 1063545317 (Entity type: Individual)
- **Enumerated:** March 14, 2007
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** 04-30808 (Kansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 520 MARY ST STE 520, Evansville, IN 47710-1682
- **Phone:** (812) 424-8231 · **Fax:** (812) 435-8794
## 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:** 17 organizations under Medicare reassignment (form CMS-855R): Western Virginia Regional Emergency Physicians, LLC (NPI 1386183028, Norton, VA); Henry County Health Center, Inc. (NPI 1811571417, Mount Pleasant, IA); Northside Primary Care Professional Services, LLC (NPI 1215369715, Dawsonville, GA); Gwinnett Physician Group, LLC (NPI 1578574661, Lawrenceville, GA); Allen Memorial Hospital Corporation (NPI 1346292521, Waterloo, IA); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** May 18, 2026
- **Other identifiers:** Other 04-30808 (KS); Medicaid 200962440A (KS)
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Source: [NPI Profile](https://npiprofile.com/npi/1063545317) · Data from the CMS NPPES public registry.