Doctor profile · Federal record

Dr. Diane Hillard-Sembell, M.D.

Orthopaedic Surgery Physician · Sports Medicine (Orthopaedic Surgery) Physician · Springfield, IL

  • NPI 1972600294
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 N. 1St Street
Springfield, IL 62702
(217) 528-7541
Mailing address
1025 S 6Th St
Springfield, IL 627032403

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 22, 2020
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
Illinois #036-076412 · Illinois #036076412
Medicaid
IL #036076412

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972600294. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
286
Distinct HCPCS
8
Medicare allowed
$44,877
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 66 56 $88
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose 58 22 $126
20610 Aspiration and/or injection of fluid from large joint 45 24 $79
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $111
73560 X-ray of knee, 1-2 views 26 22 $32
73562 X-ray of knee, 3 views 22 21 $38
27447 Replacement of knee joint, both sides of knee 17 17 $1,288
77073 X-ray for bone length assessment 17 17 $43

In context: peer comparison

Among 7 peers in Springfield Orthopaedic Surgery Physician, average services per provider: 75. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
236
Patients
184
Total drug cost
$899
Drug Type Claims Patients Total cost
Amoxicillin Generic 71 43 $120
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 51 46 $406
Tramadol Hcl Generic 43 36 $124
Cephalexin Generic 37 33 $41
Clindamycin Hcl Generic 21 14 $50
Ondansetron Odt (Ondansetron) Brand 13 12 $157

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Hillard-Sembell's medical specialty?
Dr. Diane Hillard-Sembell practices Orthopaedic Surgery Physician in Springfield, IL.
Where does Dr. Diane Hillard-Sembell practice?
Dr. Diane Hillard-Sembell practices at 800 N. 1St Street, Springfield, IL 62702. Office phone: 2175287541.
What is Dr. Diane Hillard-Sembell's NPI?
Dr. Diane Hillard-Sembell's National Provider Identifier (NPI) is 1972600294, issued by NPPES.
What procedures does Dr. Diane Hillard-Sembell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose (HCPCS J7323); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.