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

Timothy F Ahern, APRN, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1114991908

Timothy F Ahern, APRN, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Rochester, Minnesota. Qualified in 2001, 25 years ago. Practices with Olmsted Medical Center, a 325-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
25
Licensed in
MN
In the registry since
2006
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1650 4th St Se, Rochester, MN 55904-4717 — (507) 529-6600

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 1564 (MN)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence R117898-6 (MN)

Record details

NPI number1114991908
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN , CRNA
Sole proprietorNo
NPI enumeratedFebruary 16, 2006
Last updated in NPPESFebruary 26, 2026
Certification dateFebruary 26, 2026
Mailing address200 1st St Sw, Rochester, MN 55905-0001

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Olmsted Medical Center — 325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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