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

Catherine Renee Ersig, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1215232863

Catherine Renee Ersig, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Saginaw, Michigan. Qualified in 2010, 16 years ago. Practices with Covenant Medical Center, Inc, a 489-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
16
Licensed in
MI
In the registry since
2011
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

1447 N Harrison St
Saginaw, MI 48602-4727
Phone: (989) 583-6237
Fax: (989) 583-6032
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 44405 Woodward Ave, Pontiac, MI 48341-5023 — (248) 858-3000

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 4704251530 (MI)

Record details

NPI number1215232863
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJanuary 12, 2011
Last updated in NPPESAugust 16, 2023
Certification dateAugust 16, 2023

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 Covenant Medical Center, Inc. — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Saginaw