Doctor profile · Federal record
Dr. Glenn Colassi, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Worcester, MA
- NPI 1891019907
- Accepts Medicare
- 17 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N, Department of Anesthesiology
Worcester, MA 016550002
(508) 334-3271
fax (508) 856-5911 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- March 2010 — 16 yrs on file
- Profile last updated
- January 3, 2019
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State licenses (2)
- Illinois #209018499 · Massachusetts #RN234908
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891019907. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
284
Distinct HCPCS
4
Medicare allowed
$26,937
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 113 | 106 | $124 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 76 | 76 | $64 | |
01810 |
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 65 | 63 | $92 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 30 | 29 | $71 |
In context: peer comparison
Among 46 peers in this city , average services per provider: 24. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$107
Transactions
6
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 6 | $107.13 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Glenn Colassi's medical specialty?
Dr. Glenn Colassi practices Certified Registered Nurse Anesthetist in Worcester, MA.
Where does Dr. Glenn Colassi practice?
Dr. Glenn Colassi practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343271.
What is Dr. Glenn Colassi's NPI?
Dr. Glenn Colassi's National Provider Identifier (NPI) is 1891019907, issued by NPPES.
Does Dr. Glenn Colassi accept Medicare assignment?
Yes. Dr. Glenn Colassi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glenn Colassi commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810). Source: CMS Medicare Physician & Other Practitioners file.