Gregory Brebach, M.D.
NPI 1598751034 · Orthopaedic Surgery Physician · Barrington, IL
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Brebach, M.D. is a Orthopaedic Surgery Physician provider in Barrington, IL (NPI 1598751034).
Provider details
- NPI number
- 1598751034
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036108476 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,411 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 378 | $89 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 295 | $38 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $124 |
| X-Ray of Upper Spine, 2-3 Views72040 | 101 | $38 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 38 | $111 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 153 | 73 |
| Gabapentin | 93 | 32 |
| Prednisone | 64 | 55 |
| Baclofen | 59 | 26 |
| Meloxicam | 41 | 21 |
| Methylprednisolone | 31 | 28 |
| Cyclobenzaprine Hcl | 30 | — |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$470 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-20
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Gregory Brebach's NPI number?
- Gregory Brebach's National Provider Identifier (NPI) is 1598751034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Brebach's specialty?
- Gregory Brebach is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Brebach located?
- Gregory Brebach's practice location on file with NPPES is 27401 W Highway 22 Ste 125, Barrington, IL 60010-5934.
- What is Gregory Brebach's phone number?
- The practice phone number listed in the NPPES registry for Gregory Brebach is (847) 381-0388.
- Does Gregory Brebach accept Medicare?
- Gregory Brebach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Brebach's NPI active?
- Yes — Gregory Brebach's NPI (1598751034) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.