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

Larson Greenfield, RN

Individual provider Registered Nurse · NPI 1366045577

Larson Greenfield, RN is a Certified Registered Nurse Anesthetist (CRNA) in Fort Collins, Colorado. Qualified in 2020, 6 years ago. Practices with Sterling Anesthesia Associates LLC, a 15-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado and Tennessee.

Years since qualifying
6
Licensed in
CO, TN
In the registry since
2020
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

3702 Automation Way Ste 103
Fort Collins, CO 80525-5738
Phone: (970) 224-2985
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1024 S Lemay Ave, Fort Collins, CO 80524-3929 — (970) 495-7000
  • 2500 Rocky Mountain Ave, Loveland, CO 80538-9004 — (970) 624-2500

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence APN.0996947-CRNA (CO)
Registered Nurse Taxonomy 163W00000X · Licence 210609 (TN)

Record details

NPI number1366045577
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedNovember 19, 2020
Last updated in NPPESMarch 11, 2025
Certification dateMarch 11, 2025
Mailing address2278 Stonefish Dr, Windsor, CO 80550-3410

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Sterling Anesthesia Associates Llc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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