William Klemczuk Jr., DNP, CRNA
NPI 1134613359ActiveIndividual· Nurse Anesthetist, Certified Registered· Salem, MA
Nurse Anesthetist, Certified Registered (DNP, CRNA) with Mass General Brigham Medical Group, Inc., practicing in Salem, Massachusetts. Enrolled in Medicare as practitioner - certified registered nurse anesthetist (crna). Lists North Shore Medical Center - as a hospital affiliation.
Overview
| NPI | 1134613359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, CRNA |
| Sole proprietor | Yes |
| NPI issued | Jun 20, 2018 |
| Last updated in NPPES | Jul 31, 2025 |
| Certified by provider | Jul 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | RN2306913 | MA |
| Registered Nurse | 163W00000X | RN2306913 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MA) |
|---|
Education and affiliations
| Graduation year | 2025 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Mass General Brigham Medical Group, Inc.Salem, NH · 139 clinicians
Hospital affiliation
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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