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

Glenn M. Colassi, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1891019907

Glenn M. Colassi, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Worcester, Massachusetts. Qualified in 2009, 17 years ago. Practices with Atlantic Anesthesia PC, a 33-clinician group and accepts Medicare assignment. Licensed in Illinois and Massachusetts.

Years since qualifying
17
Licensed in
IL, MA
In the registry since
2010
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

55 Lake Ave N Dept OF Anesthesiology
Worcester, MA 01655-0002
Phone: (508) 334-3271
Fax: (508) 856-5911
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Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 209018499 (IL)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN234908 (MA)

Record details

NPI number1891019907
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMarch 18, 2010
Last updated in NPPESJanuary 3, 2019
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Atlantic Anesthesia Pc — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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