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

Theresa Diane Keefer, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1477857274

Theresa Diane Keefer, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Canon City, Colorado. Qualified in 2010, 16 years ago. Practices with Diehl Anesthesia Inc, a 35-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
16
Licensed in
CO
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

1338 Phay Ave
Canon City, CO 81212-2311
Phone: (719) 285-2861
Fax: (719) 285-2101
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1008 Minnequa Ave, Pueblo, CO 81004-3733 — (719) 557-4221
  • 584 W Spaulding Ave S, Pueblo West, CO 81007-1874 — (225) 776-2253

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence APN.0100024-CRNA (CO)

Record details

NPI number1477857274
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJanuary 7, 2011
Last updated in NPPESJuly 21, 2022

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 Diehl Anesthesia Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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