Physician Profile
Diane C. Hillard-Sembell, M.D.
Unclaimed ProfileAbout Dr. Hillard-Sembell
Diane C. Hillard-Sembell, M.D. is a healthcare provider in Springfield, IL specializing in orthopaedic surgery. Diane trained at Southern Illinois University School of Medicine, graduating in 1986. Diane is also listed as specializing in orthopaedic sports medicine. According to Medicare claims data, Diane cared for 171 Medicare patients across 210 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, hyaluronan or derivative, euflexxa, for intra-articular injection, per dose, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1972600294.
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
- (217) 528-7541
- Email not available
Practice Locations
800 N. 1ST STREET
Springfield, IL 62702
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
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
210 services · 171 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
29 | Less often than most peers in Orthopaedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
12 | Less often than most peers in Orthopaedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
21 | Less often than most peers in Orthopaedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
21 | Less often than most peers in Orthopaedic Surgery |
| X-ray for bone length assessment | Imaging | 77073 |
14 | Less often than most peers in Orthopaedic Surgery |
| Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | Drug given | J7323 |
31 | 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 |
51 | Less 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 |
31 | 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.
Related specialists at this location 8
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.
Other orthopaedic surgeons in Springfield 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Class of 1986 at Southern Illinois 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 7
Providers in IL who bill this service to Medicare most often.
Common questions
What does Diane C. Hillard-Sembell specialize in?
Diane C. Hillard-Sembell is an orthopaedic surgeon in Springfield, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where is Diane C. Hillard-Sembell located?
Diane C. Hillard-Sembell is listed at 800 N. 1St Street, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Diane C. Hillard-Sembell's phone number?
The number on file is (217) 528-7541. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diane C. Hillard-Sembell's NPI number?
Diane C. Hillard-Sembell's National Provider Identifier is 1972600294. 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 Diane C. Hillard-Sembell train?
Diane C. Hillard-Sembell attended Southern Illinois University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Diane C. Hillard-Sembell been practicing?
Diane C. Hillard-Sembell has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Diane C. Hillard-Sembell do most often?
According to Medicare billing data, Diane C. Hillard-Sembell performs procedures including aspiration and/or injection of fluid from large joint and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of knee, 3 views and x-ray of knee, 1-2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diane C. Hillard-Sembell confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diane C. Hillard-Sembell. If this is you, claiming it is free.
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