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AARON BREWER M.D.
NPI 1679794523
Surgery in Springfield, IL

Active since May 01, 2007PECOS EnrolledAccepts Medicare Assignment
95.01/100
CMS Quality Rating
900 N 1ST ST, SPRINGFIELD, IL 62702(217) 528-7541(217) 528-7543 Get Directions Write a Review

NPPES record last updated: May 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Aaron Brewer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AARON BREWER M.D. (NPI 1679794523) is an individual surgery provider in Springfield, Illinois, licensed in Illinois (036123012) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and is a graduate of Southern Illinois University School Of Medicine (2004).

NPPES Registry Identity

NPI1679794523
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameAARON BREWERCredential: M.D.
Location Address900 N 1ST STSpringfield, IL 62702-3749
Mailing Address1025 S 6th StSpringfield, IL 62703-2403 · (217) 528-7541 · Fax (217) 528-8962
Phone(217) 528-7541
Fax(217) 528-7543
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 2004
Enumeration DateMay 1, 2007
Last NPPES UpdateMay 20, 2020
NPPES CertifiedMay 20, 2020
✔ NPI 1679794523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 036123012
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
900 N 1ST ST, Springfield, IL 62702
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Other Identifiers 2

Medicaid036123012IL
OtherP00752575IL · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron Brewer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133272685
PECOS Enrollment IDI20090730000246
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Aaron Brewer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Springfield Clinic, LLP
1.4 mi
Multi-Specialty
1025 S 6TH ST
Springfield, IL 62703
  • Reassigned Medicare billing, Illinois enrollment
  • 735 clinicians in this Medicare group
NPI 1780638478 (217) 528-7541
Pana Community Hospital Association
38 mi
Family Medicine
118 N WALNUT ST
Assumption, IL 62510
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1942326970 (Illinois)
  • 98 clinicians in this Medicare group
NPI 1487843959 (217) 226-3133

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services22 patients
Insertion of central venous tube with port (5 years or older) 36561
A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.
20 services20 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
20 services20 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
20 services20 patients
Repair of groin hernia using an endoscope 49650
This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.
16 services16 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Johns Hospital

Acute Care Hospitals · Springfield, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140053
Location800 E Carpenter StSpringfield, IL 62769 · Sangamon County
Emergency services Birthing friendly

Memorial Medical Center

Acute Care Hospitals · Springfield, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140148
Location701 N First StSpringfield, IL 62702 · Sangamon County
Emergency services Birthing friendly

Taylorville Memorial Hospital

Critical Access Hospitals · Taylorville, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number141339
Location201 East Pleasant StreetTaylorville, IL 62568 · Christian County
Emergency services

Pana Community Hospital

Critical Access Hospitals · Pana, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141341
Location101 E Ninth StreetPana, IL 62557 · Christian County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.02
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$97.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY N MANN APRN
Nurse Practitioner (Gerontology)
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
BETH A KILLAM CNM
Advanced Practice Midwife
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
DUSTIN STEHLING MD
Obstetrics & Gynecology
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
BRANDON N. LANDSVERK PA
Physician Assistant
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
CHRISTI A. SABATKA PT
Physical Therapist
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
PETER M.C. HOFMANN M.D.
Colon & Rectal Surgery
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
NORA TAYLOR MACZURA MD
Obstetrics & Gynecology (Gynecologic Oncology)
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541
KERRILYN HEWELL MD
Obstetrics & Gynecology
900 N 1ST ST
SPRINGFIELD, IL 62702
Sangamon County (217) 528-7541

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Brewer's NPI number?

The NPI number for Aaron Brewer is 1679794523. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Aaron Brewer located?

Aaron Brewer practices at 900 N 1st St, Springfield, IL 62702. The listed phone number is (217) 528-7541.

What is Aaron Brewer's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Aaron Brewer enrolled in Medicare?

Yes. Aaron Brewer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Aaron Brewer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Brewer reassigns Medicare benefits to 2 organizations: Springfield Clinic, LLP (Springfield, IL) and Pana Community Hospital Association (Assumption, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaron Brewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Brewer accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Aaron Brewer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Aaron Brewer affiliated with any hospitals?

According to CMS data, Aaron Brewer is affiliated with St Johns Hospital, Memorial Medical Center, Taylorville Memorial Hospital and Pana Community Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Brewer was last updated on May 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.