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

Erik Gretzmacher, CRNA

Individual provider Critical Care Medicine Registered Nurse · NPI 1154051373

Erik Gretzmacher, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Washington, District of Columbia. Qualified in 2025, 1 year ago. Practices with Northstar Anesthesia of Virginia, LLC, a 409-clinician group and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
1
Licensed in
DC, VA
In the registry since
2022
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone: (202) 444-1697
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 0024193851 (VA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence RN1049033 (DC)

Record details

NPI number1154051373
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 11, 2022
Last updated in NPPESAugust 8, 2025
Certification dateAugust 8, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Northstar Anesthesia Of Virginia, Llc — 409 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Washington