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

Megan J Brennan, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1508329525

Megan J Brennan, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Saint Louis, Missouri. Qualified in 2020, 6 years ago. Practices with Mayo Clinic Arizona, a 1,616-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Missouri.

Years since qualifying
6
Licensed in
AZ, MO
In the registry since
2019
Specialties on file
2
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

6420 Clayton Rd
Saint Louis, MO 63117-1811
Phone: (314) 768-8442
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 13400 E Shea Blvd, Scottsdale, AZ 85259-5499 — (480) 301-8000

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 298289 (AZ)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 2019012309 (MO)

Record details

NPI number1508329525
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedApril 8, 2019
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mayo Clinic Arizona — 1616 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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