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

William Klemczuk Jr., DNP, CRNA

Individual provider Registered Nurse · NPI 1134613359

William Klemczuk Jr., DNP, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Salem, Massachusetts. Qualified in 2025, 1 year ago. Practices with Mass General Brigham Medical Group, Inc, a 140-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
1
Licensed in
MA
In the registry since
2018
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

81 Highland Ave
Salem, MA 01970-2768
Phone: (978) 741-1200
Show map & directions

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

Additional practice locations (1)

  • 83 Lynn St, Peabody, MA 01960-5735 — (857) 445-6525

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN2306913 (MA)
Registered Nurse Taxonomy 163W00000X · Licence RN2306913 (MA)

Record details

NPI number1134613359
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP , CRNA
Sole proprietorYes
NPI enumeratedJune 20, 2018
Last updated in NPPESJuly 31, 2025
Certification dateJuly 31, 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 Mass General Brigham Medical Group, Inc. — 140 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mass General Brigham Medical Group, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 140 clinicians in the practice; 12 are shown here.

Other providers in Salem