NPI Atlas

Madeline J Retzlaff, CRNA

Nurse Practitioner in Houston, Texas. NPI 1346653938.

NPI1346653938

Registry record

NPI
1346653938
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
1635 North Loop West
Houston, TX 77008
Phone
7134002990
In the registry since
June 11, 2014
Last NPPES update
October 3, 2018
Sole proprietor
No
License
CRNA102349 (TX)

At this location

5 other providers in our data list 1635 North Loop West, Houston as a practice address:

In context

The NPI number of Madeline Retzlaff is 1346653938. They are a Nurse Practitioner in Houston, Texas.

Madeline Retzlaff is one of 1,048 Nurse Practitioners in Houston and one of 6,739 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.

The NPI has been in the federal registry for 12 years, since June 11, 2014.

Frequently asked questions

What is NPI 1346653938?

NPI 1346653938 is the 10-digit National Provider Identifier assigned to Madeline Retzlaff, a Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since June 11, 2014.

How do I verify this provider?

Cross-check NPI 1346653938 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license CRNA102349 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as October 3, 2018. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.