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

Individual provider Anesthesiology Physician · NPI 1841248069

Dr. Gregory W. Barrett, MD is an Anesthesiology in Naperville, Illinois. Graduated from Ohio Medical University in 1998, 28 years ago. Practices with Dupage Valley Anesthesiologists Ltd, a 62-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
28
Trained at
Ohio Medical University
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

801 S Washington St
Naperville, IL 60540-7430
Phone: (630) 355-0450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036107389 (IL)
Interventional Pain Medicine Physician Taxonomy 208VP0014X · Licence 036107389 (IL)

Record details

NPI number1841248069
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESMay 9, 2017
Mailing address387 Shuman Blvd, Suite 240w, Naperville, IL 60563-8450

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesINTERVENTIONAL PAIN MANAGEMENT
Medical schoolOHIO MEDICAL UNIVERSITY
Graduated 1998 (28 years in practice)
Group practice Dupage Valley Anesthesiologists Ltd — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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