MADELINE J RETZLAFF CRNA
NPI 1346653938
Nurse Anesthetist, Certified Registered in Houston, TX
About Madeline J Retzlaff Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADELINE J RETZLAFF CRNA (NPI 1346653938) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (770598) and active in the NPI registry since June 2014. She is affiliated with North Austin Medical Center and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 3
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
Madeline J Retzlaff Crna 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
7Medicare enrollment records show Madeline Retzlaff reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 543 clinicians in this Medicare group
Bryan, TX 77802
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Rockdale, TX 76567
- Reassigned Medicare billing, Texas enrollment
- 100 clinicians in this Medicare group
Austin, TX 78745
- Reassigned Medicare billing, Texas enrollment
- 175 clinicians in this Medicare group
Dallas, TX 75219
- Reassigned Medicare billing, Texas enrollment
- 495 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Texas enrollment
- 195 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 8
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.
North Austin Medical Center
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77008 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.
HOUSTON, TX 77008
HOUSTON, TX 77008
HOUSTON, TX 77008
HOUSTON, TX 77008
HOUSTON, TX 77008
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 Madeline Retzlaff's NPI number?
The NPI number for Madeline Retzlaff is 1346653938. It was assigned to this individual provider in the NPPES registry on June 11, 2014. The provider is also known as Madeline O'donnell.
Where is Madeline Retzlaff located?
Madeline Retzlaff practices at 1635 North Loop West, Houston, TX 77008. The listed phone number is (713) 400-2990.
What is Madeline Retzlaff's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Madeline Retzlaff enrolled in Medicare?
Yes. Madeline Retzlaff 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 Madeline Retzlaff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Retzlaff reassigns Medicare benefits to 7 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Texans Anesthesia Associates PLLC (Webster, TX), Austin Anesthesiology Group PLLC (Bryan, TX), Mark Malone MD PA (Rockdale, TX), Austin Gastroenterology Anesthesia Associates PLLC (Austin, TX) and 2 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 Madeline Retzlaff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Madeline Retzlaff accept?
Health plans from Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc., Molina Healthcare and Oscar Insurance Company and 2 other insurers list Madeline Retzlaff 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 Madeline Retzlaff affiliated with any hospitals?
According to CMS data, Madeline Retzlaff is affiliated with North Austin Medical Center.
When was this NPI record last updated?
The NPPES record for Madeline Retzlaff was last updated on October 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Madeline J Retzlaff, CRNA · NPI 1346653938
Nurse Anesthetist, Certified Registered physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 11, 2014.
## Identity
- **NPI:** 1346653938 (Entity type: Individual)
- **Enumerated:** June 11, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 770598 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1635 NORTH LOOP WEST, Houston, TX 77008-1593
- **Phone:** (713) 400-2990 · **Fax:** (713) 400-2993
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Texans Anesthesia Associates PLLC (NPI 1275733982, Webster, TX); Austin Anesthesiology Group PLLC (NPI 1528326154, Bryan, TX); Mark Malone MD PA (NPI 1942046974, Rockdale, TX); Austin Gastroenterology Anesthesia Associates PLLC (NPI 1427405810, Austin, TX); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 3, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1346653938) · Data from the CMS NPPES public registry.