MARK GARRISON MUNNS MD
NPI 1043630635
Emergency Medicine in Round Rock, TX
About Mark Garrison Munns Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK GARRISON MUNNS MD (NPI 1043630635) is an individual emergency medicine provider in Round Rock, Texas, licensed in Texas (R1426) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Mark Garrison Munns Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mark Munns reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Taylor, TX 76574
- Reassigned Medicare billing, Texas enrollment
- 84 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 214 clinicians in this Medicare group
San Antonio, TX 78249
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 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 5
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 78665 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.
ROUND ROCK, TX 78665
ROUND ROCK, TX 78665
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 Mark Munns's NPI number?
The NPI number for Mark Munns is 1043630635. It was assigned to this individual provider in the NPPES registry on April 22, 2014.
Where is Mark Munns located?
Mark Munns practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.
What is Mark Munns's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Munns enrolled in Medicare?
Yes. Mark Munns is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Munns's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Munns reassigns Medicare benefits to 5 organizations: Scott & White Hospital - Taylor (Taylor, TX), Longhorn Emergency Medical Associates PA (Austin, TX), Emergency Associates Of Central Texas PA (Killeen, TX), Third Coast Emergency Physicians Southwest PA (San Antonio, TX) and Century Integrated Partners, Inc (Dallas, TX). 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 Mark Munns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Munns accept?
Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Mark Munns 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.
When was this NPI record last updated?
The NPPES record for Mark Munns was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mark Garrison Munns, MD · NPI 1043630635
Emergency Medicine physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since April 22, 2014.
## Identity
- **NPI:** 1043630635 (Entity type: Individual)
- **Enumerated:** April 22, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R1426 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 UNIVERSITY BLVD, Round Rock, TX 78665-1032
- **Phone:** (512) 509-0100
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Scott & White Hospital - Taylor (NPI 1659366557, Taylor, TX); Longhorn Emergency Medical Associates PA (NPI 1649669672, Austin, TX); Emergency Associates Of Central Texas PA (NPI 1215418280, Killeen, TX); Third Coast Emergency Physicians Southwest PA (NPI 1497793475, San Antonio, TX); Century Integrated Partners, Inc (NPI 1447615711, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043630635) · Data from the CMS NPPES public registry.