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

Mark Steven Larsen

Individual provider Certified Registered Nurse Anesthetist · NPI 1447223078

Mark Steven Larsen is a Certified Registered Nurse Anesthetist (CRNA) in Norwich, Connecticut. Qualified in 1990, 36 years ago. Practices with Integrated Anesthesia Associates LLC, a 402-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
36
Licensed in
CT
In the registry since
2006

Practice location Address checks out

326 Washington St
Norwich, CT 06360-2740
Phone: (860) 823-6337
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 001769 (CT)

Record details

NPI number1447223078
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 13, 2006
Last updated in NPPESAugust 2, 2012
Mailing address68 S Service Rd, Suite 350, Melville, NY 11747-2354

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Integrated Anesthesia Associates Llc — 402 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Norwich