KATHERINE COOK POLINER MD
NPI 1710565312
Anesthesiology in Austin, TX
About Katherine Cook Poliner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE COOK POLINER MD (NPI 1710565312) is an individual anesthesiology provider in Austin, Texas, licensed in Texas (V5998) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Katherine Cook Poliner 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 Reassignment
Medicare enrollment records show Katherine Poliner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Seton Medical Center Austin
Acute Care Hospitals · Austin, TXDell Seton Med Center At The University Of Tx
Acute Care Hospitals · Austin, TXAscension Seton Southwest
Acute Care Hospitals · Austin, TXAscension Seton Northwest
Acute Care Hospitals · Austin, TXAscension Seton Williamson
Acute Care Hospitals · Round Rock, TXOther 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
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 Katherine Poliner's NPI number?
The NPI number for Katherine Poliner is 1710565312. It was assigned to this individual provider in the NPPES registry on April 1, 2021. The provider is also known as Katherine B Cook MD.
Where is Katherine Poliner located?
Katherine Poliner practices at 1201 W 38th St, Austin, TX 78705. The listed phone number is (512) 324-1000.
What is Katherine Poliner's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Katherine Poliner enrolled in Medicare?
Yes. Katherine Poliner 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 organization bills Medicare for Katherine Poliner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Poliner reassigns Medicare benefits to U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). The 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 Katherine Poliner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Poliner accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Katherine Poliner 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 Katherine Poliner affiliated with any hospitals?
According to CMS data, Katherine Poliner is affiliated with Ascension Seton Medical Center Austin, Dell Seton Med Center At The University Of Tx, Ascension Seton Southwest, Ascension Seton Northwest and Ascension Seton Williamson.
When was this NPI record last updated?
The NPPES record for Katherine Poliner was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Katherine Cook Poliner, MD · NPI 1710565312
Anesthesiology physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since April 1, 2021.
## Identity
- **NPI:** 1710565312 (Entity type: Individual)
- **Enumerated:** April 1, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** V5998 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1201 W 38TH ST, Austin, TX 78705-1006
- **Phone:** (512) 324-1000
## 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:** U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710565312) · Data from the CMS NPPES public registry.