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Edit this profileAt a glance
- 1512 N Green Mount Rd, Suite 300, O Fallon, IL 62269
About Dr. Weimer
Donald A. Weimer, M.D. practices orthopedic surgery in O Fallon, IL. Donald is a 1988 graduate of Medical College of Wisconsin. Donald is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Donald cared for 805 Medicare patients across 1,621 services. The services billed most often include x-ray of shoulder, minimum of 2 views, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1932152980.
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) 641-5800
- Email not available
Practice Locations
1512 N GREEN MOUNT RD SUITE 300
O Fallon, IL 62269
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
Most searched conditions
- Arthritis
- Carpal tunnel
- Rotator cuff tear
- Sciatica
- Torn Achilles tendon
- Torn ACL
- Torn meniscus
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
Hip
- Hip labral tear
- Lateral hip pain and trochanteric bursitis
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
- Stress fracture
Trauma and bone
- Bone fractures
- Osteoporosis
Foot & Ankle
Spine
Procedures & services
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Evaluation and nonsurgical
- Cast placement and management
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
- De Quervain's Release
Hand and upper extremity
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Injections & Non-Surgical
- Knee Joint Injection
- PRP Injection
Injections & pain relief
- Cortisone Shot for Joint Pain
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Trauma and fixation
- Open reduction and internal fixation
Procedures Most Often Billed to Medicare
1,621 services · 805 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
124 | As often as other peers in Orthopedic Surgery |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
26 | More often than most peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
19 | Less often than most peers in Orthopedic Surgery |
| Shaving of part of shoulder bone and repair of ligament using an endoscope | Procedure | 29826 |
17 | As often as other peers in Orthopedic Surgery |
| Removal of extensive shoulder joint tissue using an endoscope | Procedure | 29823 |
16 | As often as other peers in Orthopedic Surgery |
| Partial removal of collar bone at shoulder using an endoscope | Procedure | 29824 |
13 | Less often than most peers in Orthopedic Surgery |
| Repair of shoulder rotator cuff using an endoscope | Procedure | 29827 |
12 | Less often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
438 | More than most peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
122 | More often than most peers in Orthopedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
376 | As often as other peers in Orthopedic 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.
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 orthopedic surgeons in O Fallon 4
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1988 at Medical College of Wisconsin 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 Donald A. Weimer specialize in?
Donald A. Weimer is an orthopedic surgeon in O Fallon, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Donald A. Weimer located?
Donald A. Weimer is listed at 1512 N Green Mount Rd Suite 300, O Fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Donald A. Weimer's phone number?
The number on file is (618) 641-5800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Donald A. Weimer's NPI number?
Donald A. Weimer's National Provider Identifier is 1932152980. 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 Donald A. Weimer train?
Donald A. Weimer attended Medical College of Wisconsin, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Donald A. Weimer been practicing?
Donald A. Weimer has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Donald A. Weimer do most often?
According to Medicare billing data, Donald A. Weimer performs procedures including aspiration and/or injection of fluid from large joint, prosthetic repair of shoulder joint, total shoulder and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Donald A. Weimer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Donald A. Weimer. If this is you, claiming it is free.
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