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

Individual provider Certified Registered Nurse Anesthetist · NPI 1831494020

Isaac Callen, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Saint Louis, Missouri. Qualified in 2010, 16 years ago. Practices with Metro-West Anesthesia Group Inc, a 205-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
16
Licensed in
MO
In the registry since
2011
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
Fax: (314) 768-8918
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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 2005024770 (MO)

Record details

NPI number1831494020
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJanuary 19, 2011
Last updated in NPPESJanuary 19, 2011

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Metro-West Anesthesia Group Inc — 205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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