DR. MARK L GUNN MD
NPI 1629059357
Anesthesiology - Pediatric Anesthesiology in Austin, TX
About Dr. Mark L Gunn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK L GUNN MD (NPI 1629059357) is an individual pediatric anesthesiology provider in Austin, Texas, licensed in Kentucky (TP857) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Medical School At Houston (1984).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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 and accepts Medicare assignment
Dr. Mark L Gunn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Mark Gunn reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 clinicians in this Medicare group
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 300 clinicians in this Medicare group
Little Rock, AR 72209
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1124791181 (Arkansas)
- 1,246 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 clinicians in this Medicare group
Memphis, TN 38103
- Reassigned Medicare billing, Tennessee enrollment
- 582 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: Norton Childrens Medical Group LLC
- 1,008 clinicians in this Medicare group
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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 78705 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.
AUSTIN, TX 78705
AUSTIN, TX 78705
AUSTIN, TX 78705
AUSTIN, TX 78705
AUSTIN, TX 78705
AUSTIN, TX 78705
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 Gunn's NPI number?
The NPI number for Mark Gunn is 1629059357. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is Mark Gunn located?
Mark Gunn practices at 3705 Medical Pkwy Suite 570, Austin, TX 78705. The listed phone number is (512) 454-2454.
What is Mark Gunn's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.
Is Mark Gunn enrolled in Medicare?
Yes. Mark Gunn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Gunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gunn reassigns Medicare benefits to 9 organizations: Northstar Anesthesia, PA (Arlington, TX), Premier Anesthesia Of Huntsville A Division Of Premier Anesthesia LLC (Mcallen, TX), University Of Arkansas For Medical Sciences (Little Rock, AR), Arkansas Childrens Hospital (Little Rock, AR), Ut Lebonheur Pediatric Specialists, Inc. (Memphis, TN) and 4 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 Mark Gunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Gunn accept?
Health plans from Arkansas Blue Cross and Blue Shield, Baylor Scott and White Health Plan, CareSource, Cigna Healthcare and Health Advantage and 2 other insurers list Mark Gunn 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 Gunn was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Mark L Gunn, MD · NPI 1629059357
Pediatric Anesthesiology physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since November 9, 2005.
## Identity
- **NPI:** 1629059357 (Entity type: Individual)
- **Enumerated:** November 9, 2005
- **Primary specialty:** Anesthesiology - Pediatric Anesthesiology · taxonomy 207LP3000X
- **State license:** TP857 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 3705 MEDICAL PKWY, SUITE 570, Austin, TX 78705-1019
- **Phone:** (512) 454-2454 · **Fax:** (512) 454-1532
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Northstar Anesthesia, PA (NPI 1912978610, Arlington, TX); Premier Anesthesia Of Huntsville A Division Of Premier Anesthesia LLC (NPI 1346570355, Mcallen, TX); University Of Arkansas For Medical Sciences (NPI 1285307744, Little Rock, AR); Arkansas Childrens Hospital (NPI 1598773079, Little Rock, AR); Ut Lebonheur Pediatric Specialists, Inc. (NPI 1093024101, Memphis, TN); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 1984
## Record status
- **NPPES last updated:** March 5, 2026
- **Other identifiers:** Other 89372S (TX); Medicaid 105508901 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1629059357) · Data from the CMS NPPES public registry.