Dr. Gregory T. Brebach, MD
- Medicare services, 2024
- 7,993
- Medicare patients, 2024
- 406
- Part D claims, 2024
- 616
- MIPS score, 2024
- 81
- Hospital affiliations
- 3
- Practice address
- 900 Rand Rd, Des Plaines, IL 60016
- Practice phone
- Call (847) 324-3090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ibji Oak, LLC
Des Plaines, Illinois
Find Dr. Brebach's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory T. Brebach is an orthopedic surgeon in Des Plaines, Illinois
Dr. Brebach practices at Ibji Oak, LLC in Des Plaines, Illinois.
Dr. Brebach's NPI, 1598751034, was assigned on September 20, 2005. Dr. Brebach graduated from Rush Medical College of Rush University in 1997. Dr. Brebach holds Illinois license 036108476.
- NPI
- 1598751034NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830191501
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 324-3090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory T. Brebach practices at Ibji Oak, LLC in Des Plaines, Illinois
Dr. Brebach's primary practice is Ibji Oak, LLC, at 900 Rand Rd, Des Plaines, IL 60016 in Cook County. The practice phone is (847) 324-3090.
- Ibji Oak, LLC900 Rand Rd, Des Plaines, IL 60016 · Cook CountyPhone(847) 324-3090
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory T. Brebach is affiliated with 7 sites of care and 2 medical groups
Dr. Brebach's primary practice is Ibji Oak, LLC in Des Plaines, Illinois. Dr. Brebach is also affiliated with Northwestern Medicine McHenry Hospital. The medical group on file is Illinois Bone & Joint Institute. Dmand AI also links Dr. Brebach to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory T. Brebach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brebach practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ibji Oak, LLC | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory T. Brebach is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Brebach's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Brebach is licensed in Illinois.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
Orthopedic surgeons near Dr. Brebach
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory T. Brebach billed Medicare for 7,993 services in 2024
CMS data shows 7,993 Medicare services from Dr. Brebach across 28 procedure codes in 2024, for 406 Medicare patients. Medicare paid $150,018 for them.
Dr. Brebach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 5,7612024: 6,48012%
- Office and hospital visits
- 2023: 6902024: 6811%
- Imaging
- 2023: 5352024: 5462%
- Surgery
- 2023: 1282024: 18444%
- Drugs given in the office
- 2023: 1232024: 10217%
Where Dr. Brebach's Medicare services took place, 2024
- In an office7,78597%
- In a facility2083%
Dr. Brebach compared with the Illinois median for orthopedic surgeons, 2024
- Dr. Brebach
- Illinois median
- Medicare services
- 7,993vs 1,2506.4 times
- Medicare patients
- 406vs 29637% above
- Part D claims
- 580vs 1204.8 times
Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Brebach's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory T. Brebach treated 406 Medicare patients in 2024, average age 73
CMS counts 406 Medicare patients who saw Dr. Brebach in 2024. The largest group is 65 to 74, with 221 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brebach's median patient age at 62, with 51% women.
Dr. Brebach's Medicare patients by age, 2024
Dr. Brebach's Medicare patients by sex, 2024
- Women20951%
- Men19749%
Chronic conditions among Dr. Brebach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Ischemic heart disease36%
- Diabetes28%
- Anxiety26%
- Mood disorders24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brebach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory T. Brebach wrote 616 Medicare Part D claims in 2024
In 2024, Dr. Brebach wrote 616 Medicare Part D claims for 216 patients. 100% of them were for generic drugs. CMS names the drug for 580 of them, across 12 drugs with 11 or more claims each, at $6,680 in total drug cost. In 2023, CMS named 557 claims across 11 drugs.
Dr. Brebach's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Brebach's Part D claims, 2024
- Opioids12%73 of 616 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5572024: 5804%
Drugs named by CMS: 12 in 2024, 11 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory T. Brebach scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Brebach for performance year 2024, reported as part of a group. Dr. Brebach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 128 procedures of spinal fusion by Dr. Brebach, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Brebach's MIPS scores, performance year 2024
- 81of 100Final score
- 76.5of 100Quality
- 83of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Brebach ranks in Medicare procedure volume
- Spinal fusion
- 80th percentile128 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 72nd percentile43 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory T. Brebach received $5,860 in industry payments from 2016 to 2025
CMS Open Payments shows 146 general payments to Dr. Brebach from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 55% of the total. Nuvasive, Inc. paid the most, $3,411.
General payments to Dr. Brebach by program year, 2016 to 2025
General payments to Dr. Brebach by kind, 2016 to 2025
- Food and beverage$3,23555%
- Travel and lodging$2,54643%
- Education$801%
Companies that paid Dr. Brebach the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory T. Brebach graduated from Rush Medical College of Rush University
Dr. Brebach graduated from Rush Medical College of Rush University in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory T. Brebach's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory T. Brebach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory T. Brebach's NPI number?
Dr. Gregory T. Brebach's NPI number is 1598751034. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory T. Brebach?
Dr. Gregory T. Brebach is an orthopedic surgeon in Des Plaines, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory T. Brebach practice?
Dr. Brebach practices at 900 Rand Rd, Des Plaines, IL 60016. Dr. Brebach's primary practice is Ibji Oak, LLC in Des Plaines, Illinois. Dmand AI also links Dr. Brebach to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Gregory T. Brebach's office phone number?
The practice phone on file for Dr. Brebach is (847) 324-3090.
What is Dr. Gregory T. Brebach's medical license number?
Dr. Brebach holds Illinois license 036108476.
Which hospitals is Dr. Gregory T. Brebach affiliated with?
Dr. Brebach is affiliated with Northwestern Medicine McHenry Hospital. Dmand AI links Dr. Brebach to 2 more hospitals.
What medical group is Dr. Gregory T. Brebach part of?
Dr. Brebach is linked to Illinois Bone & Joint Institute. Dmand AI links Dr. Brebach to 1 more medical group.
Does Dr. Gregory T. Brebach accept Medicare?
Yes. CMS data shows Dr. Brebach billed Medicare for 7,993 services in 2024, and Dr. Brebach accepts Medicare assignment.
What is Dr. Gregory T. Brebach's MIPS score?
Dr. Brebach's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory T. Brebach see?
CMS counts 406 Medicare patients who saw Dr. Brebach in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Gregory T. Brebach bill to Medicare?
In 2024, Dr. Brebach's most billed Medicare services were medical supplies or transport (A9575), office visit, established patient (99213) and diagnostic imaging (72100).
Where did Dr. Gregory T. Brebach go to medical school?
Dr. Brebach graduated from Rush Medical College of Rush University in 1997.
What drugs does Dr. Gregory T. Brebach prescribe most?
In 2024 Medicare Part D data, Dr. Brebach's most prescribed drugs by claims were Celecoxib, Gabapentin and Prednisone.
Has Dr. Gregory T. Brebach received payments from drug or device companies?
CMS Open Payments shows $5,860 in general payments to Dr. Brebach from 14 companies from 2016 to 2025. The largest total came from Nuvasive, Inc.
How long has Dr. Gregory T. Brebach been practicing?
Dr. Brebach graduated from medical school in 1997, 29 years ago.
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