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

Individual provider Certified Registered Nurse Anesthetist · NPI 1215909577

Michael W Johnston, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Austin, Texas. Qualified in 2005, 21 years ago. Practices with Humboldt General Hospital, a 42-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
21
Licensed in
MN
In the registry since
2006
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

8310 N Capital Of Texas Hwy Ste 350
Austin, TX 78731-1011
Phone: (512) 342-2382
Fax: (512) 342-2878
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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 R158787-8 (MN)

Record details

NPI number1215909577
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedFebruary 2, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Humboldt General Hospital — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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