Physician Profile
Unclaimed ProfileAbout BARRETT
Based in Naperville, IL, Gregory W. Barrett, M.D. is listed in the NPI registry under anesthesiology. Gregory graduated from Ohio Medical University in 1998. Gregory is also listed as specialising in interventional pain medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Barrett specialise in?
Dr. Barrett is an anesthesiology in Naperville, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Barrett located?
Dr. Barrett is listed at 801 S WASHINGTON ST, Naperville, IL 60540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Barrett's phone number?
The number on file is (630) 355-0450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Barrett?
Dr. Barrett's National Provider Identifier is 1841248069. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Barrett go to medical school?
Dr. Barrett attended Ohio Medical University, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Barrett have?
Dr. Barrett has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Barrett do most often?
According to Medicare billing data, Dr. Barrett performs procedures including injection of anesthetic agent and/or steroid into thigh nerve; provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Barrett's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Barrett. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 355-0450
- Email not available
Practice Locations
801 S WASHINGTON ST
Naperville, IL 60540
Procedures Most Often Billed to Medicare
86 services · 86 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
11 |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
18 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
17 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
16 |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
13 |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiology specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 4 groups
Other anesthesiology specialists in Naperville 3
Same specialty, same city.
Trained at Ohio Medical University 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Ohio Medical University 3
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.