Glenn M. Colassi, CRNA
NPI 1891019907ActiveIndividual· Nurse Anesthetist, Certified Registered· Worcester, MA
Nurse Anesthetist, Certified Registered (CRNA) with Atlantic Anesthesia PC, practicing in Worcester, Massachusetts. Medicare paid $25,164 for services to 323 patients in 2024. Merck Sharp & Dohme LLC reported $58.32 in payments in 2025, mostly food and beverage. Lists Sturdy Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1891019907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Mar 18, 2010 |
| Last updated in NPPES | Jan 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209018499 | IL |
| Nurse Anesthetist, Certified Registered | 367500000X | RN234908 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (SC); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 329 across 40 procedure codes |
| Paid by Medicare | $25,164 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Atlantic Anesthesia PCSandwich, MA · 36 clinicians
Hospital affiliation
- Sturdy Memorial HospitalAttleboro, MA
Industry payments (Open Payments)
- 2025$58.32 · 3 payments from 1 company
- 2024$107.13 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $58.32 | 3 |
What the 2025 payments were for
- Food and Beverage$58.32 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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