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Edit this profileAt a glance
- 900 N 1St St, Springfield, IL 62702
About Dr. Brewer
Based in Springfield, IL, Aaron Brewer, M.D. is listed in the NPI registry under general surgery. Aaron graduated from Southern Illinois University School of Medicine in 2004. Aaron is also listed as specializing in surgery. Medicare claims data shows Aaron provided 165 services to 158 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1679794523 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (217) 528-7541
- Email not available
Practice Locations
900 N 1ST ST
Springfield, IL 62702
Conditions Commonly Evaluated or Treated
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
165 services · 158 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
20 | More often than most peers in General Surgery |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
16 | As often as other peers in General Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
20 | As often as other peers in General Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
31 | As often as other peers in General Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | As often as other peers in General Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 | As often as other peers in General Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 | Less often than most peers in General Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in General Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other general surgeons in Springfield 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of central venous tube with port (5 years or older) 6
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Aaron Brewer?
Aaron Brewer is a general surgeon in Springfield, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
What is Aaron Brewer's address?
Aaron Brewer is listed at 900 N 1St St, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Aaron Brewer?
The number on file is (217) 528-7541. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Aaron Brewer?
Aaron Brewer's National Provider Identifier is 1679794523. 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 Aaron Brewer train?
Aaron Brewer attended Southern Illinois University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Aaron Brewer have?
Aaron Brewer has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Aaron Brewer perform?
According to Medicare billing data, Aaron Brewer performs procedures including insertion of central venous tube with port and repair of groin hernia using an endoscope; reads or performs imaging such as ultrasonic guidance for blood vessel access, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Aaron Brewer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Aaron Brewer. If this is you, claiming it is free.
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