Diane C. Hillard-Sembell, M.D.
Orthopaedic Surgery Physician · Springfield, IL
Diane C. Hillard-Sembell, M.D. is an orthopaedic surgery physician with a practice address in Springfield, Illinois, and NPI 1972600294, issued on Sep 20, 2006. Check the license (Illinois 036-076412, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diane C. Hillard-Sembell
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 036-076412 IL
036076412 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N. 1St Street, Springfield, IL 62702
- Phone
- (217) 528-7541
- Enumerated
- Sep 20, 2006
- Record last updated
- May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 036076412 IL
- Medicare enrollment
- Enrolled (PECOS I20040804001843); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 800 N. 1St Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeannette Atcherson, CST/CFASurgical Assistant1922149442
- Lynne Barkmeier, M.D.Vascular Surgery Physician1538262431
- Thomas Baron, M.D.Urology Physician1972615748
- Cecile Becker, M.D.Neurology Physician1750493540
- William DavinMassage Therapist1427199934
- David Gelber, M.D.Neurology Physician1669571113
Verify Diane C. Hillard-Sembell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-076412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
214 Medicare Part D claims for 85 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 69 claims were for opioids.
Most prescribed
- Amoxicillin75 claims
- Hydrocodone-Acetaminophen38 claims
- Tramadol Hcl31 claims
- Clindamycin Hcl27 claims
- Cephalexin20 claims
- Nabumetone12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Springfield Clinic, LLPLitchfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane C. Hillard-Sembell among 995 orthopaedic surgery physician records in Illinois
Diane C. Hillard-Sembell, M.D. is one of 995 orthopaedic surgery physician records with a practice address in Illinois. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1986 · median 2001 among the 556 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Illinois
There are 995 orthopaedic surgery physician records in Illinois.
All 995 in Illinois → Every provider in Springfield → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Tomasz Borowiecki, M.D.Springfield, IL 627021336251982
- Mark Greatting, M.D.Springfield, IL 627021457459570
- Jianjun Ma, MDSpringfield, IL 627021760679617
- Allison Mayfield, M.D.Springfield, IL 627021780099747
- Mark McAndrew, M.D.Springfield, IL 627021891782520
- Ryan Pate, MDSpringfield, IL 627021801017744
- Elisabeth Robinson, M.D.Springfield, IL 627021427268283
- Daniel Rossi, MDSpringfield, IL 627021275946345
Common questions
What is Diane C. Hillard-Sembell, M.D.'s NPI number?
Diane C. Hillard-Sembell, M.D.'s National Provider Identifier (NPI) is 1972600294, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane C. Hillard-Sembell, M.D. located?
The NPPES record lists a practice address at 800 N. 1St Street, Springfield, IL, 62702. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Diane C. Hillard-Sembell, M.D.'s license?
NPPES lists Illinois license number 036-076412, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diane C. Hillard-Sembell, M.D. prescribe under Medicare Part D?
In 2024, Diane C. Hillard-Sembell, M.D. had 214 Medicare Part D claims for 85 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.