Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Madeline J Retzlaff, CRNA

Individual provider Nurse Practitioner · NPI 1346653938

Madeline J Retzlaff, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Houston, Texas. Qualified in 2014, 12 years ago. Practices with Independent Physicians Network PLLC, a 222-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
12
Licensed in
TX
In the registry since
2014
Specialties on file
4
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1635 N Loop W
Houston, TX 77008-1593
Phone: (713) 400-2990
Fax: (713) 400-2993
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 770598 (TX)
Nurse Practitioner Taxonomy 363L00000X · Licence CRNA102349 (TX)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence AP125812 (TX)
Registered Nurse Taxonomy 163W00000X · Licence RN770598 (TX)

Record details

NPI number1346653938
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 11, 2014
Last updated in NPPESOctober 3, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Independent Physicians Network Pllc — 222 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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