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

Sandra R Joll, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1780787655

Sandra R Joll, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Castle Rock, Colorado. Qualified in 1993, 33 years ago. Practices with South Denver Gastroenterology, PC, a 53-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
33
Licensed in
CO
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

3911 Ambrosia St Ste 201
Castle Rock, CO 80109-3888
Phone: (303) 788-8888
Fax: (844) 347-5158
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence APN.0990524-CRNA (CO)

Record details

NPI number1780787655
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESMay 29, 2024
Certification dateMay 29, 2024

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice South Denver Gastroenterology, P.C — 53 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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