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

Grant Stephan Geisler, CRNA

Individual provider Anesthesiology Physician · NPI 1538400973

Grant Stephan Geisler, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Greenwood Village, Colorado. Qualified in 2012, 14 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado, Florida and New York.

Years since qualifying
14
Licensed in
CO, FL, NY
In the registry since
2013
Specialties on file
3
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

8000 E Maplewood Ave
Greenwood Village, CO 80111-4766
Phone: (303) 785-4700
Fax: (303) 336-8350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 11650 W 2nd Pl, Lakewood, CO 80228-1527 — (720) 321-5160
  • 121 Dekalb Avenue, Brooklyn, NY 11201 — (718) 466-8152

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence APN.0993822 (CO)
Anesthesiology Physician Taxonomy 207L00000X · Licence 680095 (NY)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence ARNP9270689 (FL)

Record details

NPI number1538400973
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMarch 11, 2013
Last updated in NPPESSeptember 24, 2024
Certification dateSeptember 24, 2024

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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