CAROL LYNN ZIEBERT M.D.
NPI 1003849431
Internal Medicine - Critical Care Medicine in Austin, TX
About Carol Lynn Ziebert M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL LYNN ZIEBERT M.D. (NPI 1003849431) is an individual critical care medicine provider in Austin, Texas, licensed in Texas (J5262) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and is a graduate of Texas Tech University Health Science Center School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
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
Carol Lynn Ziebert M.d. 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
2Medicare enrollment records show Carol Ziebert reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St David's Medical Center
Acute Care Hospitals · Austin, TXPhysician 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 15
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
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 Carol Ziebert's NPI number?
The NPI number for Carol Ziebert is 1003849431. It was assigned to this individual provider in the NPPES registry on July 9, 2006.
Where is Carol Ziebert located?
Carol Ziebert practices at 1305 W 34th St Suite 400, Austin, TX 78705. The listed phone number is (512) 459-6599.
What is Carol Ziebert's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Carol Ziebert enrolled in Medicare?
Yes. Carol Ziebert 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 Carol Ziebert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Ziebert reassigns Medicare benefits to 2 organizations: Austin Critical Care Specialists PA (Austin, TX) and Cogent Healthcare Of Texas, PA (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 Carol Ziebert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carol Ziebert accept?
Health plans from Blue Cross and Blue Shield of Texas, Harbor Health and Sendero Health Plans, Local Nonprofit list Carol Ziebert 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 Carol Ziebert affiliated with any hospitals?
According to CMS data, Carol Ziebert is affiliated with St David's Medical Center.
When was this NPI record last updated?
The NPPES record for Carol Ziebert was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carol Lynn Ziebert, M.D. · NPI 1003849431
Critical Care Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since July 9, 2006.
## Identity
- **NPI:** 1003849431 (Entity type: Individual)
- **Enumerated:** July 9, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** J5262 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1305 W 34TH ST, SUITE 400, Austin, TX 78705-1923
- **Phone:** (512) 459-6599 · **Fax:** (512) 459-8496
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Austin Critical Care Specialists PA (NPI 1447435805, Austin, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** February 19, 2024
- **Other identifiers:** Medicaid 103413401 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1003849431) · Data from the CMS NPPES public registry.