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Edit this profileAt a glance
- 4700 Memorial Dr, Ste 340, Belleville, IL 62226
About Dr. Simmons
Gregory J. Simmons, M.D. practices orthopaedic surgery in Belleville, IL. Gregory is a 1995 graduate of Saint Louis University School of Medicine. Medicare claims data shows Gregory provided 8,122 services to 834 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, and aspiration and/or injection of fluid from large joint. The provider's National Provider Identifier (NPI) is 1194729871.
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
- (618) 234-9884
- Email not available
Practice Locations
4700 MEMORIAL DR STE 340
Belleville, IL 62226
Conditions Commonly Evaluated or Treated
Within Orthopedic 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
Pain
Pediatric and tumor
- Slipped capital femoral epiphysis
Spine
- Cervical spondylosis
- Lumbar spondylosis
- Herniated disc
- Scoliosis
- Spinal stenosis
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Procedures & services
Ankle surgery
Evaluation and nonsurgical
- Closed fracture treatment
- Joint injection or aspiration
- Orthopedic evaluation
- Cast placement and management
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Total ankle replacement
- Bunion surgery
Hand and upper extremity
- Wrist fracture fixation
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Joint replacement
- Total hip replacement
- Total knee replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Nerves & spine
Orthopedics
- ACL reconstruction consultation
- Carpal tunnel surgery consultation
- Hip replacement consultation
- Knee replacement consultation
- Torn rotator cuff consultation
Post-Op Care
- Cast Removal
Spine
- Anterior cervical discectomy and fusion
Spine & Orthopedics
- Bunion Surgery Consultation
- Foot and Ankle Surgery Consultation
- Shoulder Surgery Consultation
- Surgical Hardware Removal Consultation
- Trigger Finger Release Consultation
Trauma and fixation
- External fracture fixation
- Intramedullary nailing
- Repair of fracture nonunion
- Open reduction and internal fixation
Tumor and pediatric
- Bone or soft-tissue tumor resection
- Limb-sparing cancer surgery
- Pediatric corrective osteotomy
Most searched procedures
Arthroscopy
Hand & Wrist
- De Quervain's Release
Injections & Non-Surgical
Injections & pain relief
- Cortisone Shot for Joint Pain
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Procedures Most Often Billed to Medicare
8,122 services · 834 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
774 | More than most peers in Orthopaedic Surgery |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
189 | More than most peers in Orthopaedic Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
49 | More often than most peers in Orthopaedic Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
26 | As often as other peers in Orthopaedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
22 | Less often than most peers in Orthopaedic Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
17 | Less often than most peers in Orthopaedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
5,645 | More than most peers in Orthopaedic Surgery |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
1,080 | Less often than most peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
243 | More often than most peers in Orthopaedic 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 |
33 | As often as other peers in Orthopaedic 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 orthopaedic surgeons at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 24 related providers in 3 groups
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Saint Louis University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Gregory J. Simmons specialize in?
Gregory J. Simmons is an orthopaedic surgeon in Belleville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where is Gregory J. Simmons located?
Gregory J. Simmons is listed at 4700 Memorial Dr Ste 340, Belleville, IL 62226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory J. Simmons's phone number?
The number on file is (618) 234-9884. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gregory J. Simmons?
Gregory J. Simmons's National Provider Identifier is 1194729871. 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 Gregory J. Simmons train?
Gregory J. Simmons attended Saint Louis University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gregory J. Simmons have?
Gregory J. Simmons has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Gregory J. Simmons do most often?
According to Medicare billing data, Gregory J. Simmons performs procedures including aspiration and/or injection of fluid from large joint, injection of trigger points, 1-2 muscles and aspiration and/or injection of fluid from medium joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory J. Simmons's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Simmons. If this is you, claiming it is free.
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