Doctor profile · Federal record

Dr. Gregory Churchill, Physician Assistant

Medical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · O Fallon, IL

  • NPI 1053390237
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
310 N 7 Hills RD
O Fallon, IL 622694111
(618) 624-6181
fax (618) 624-7172
Additional location
4500 Memorial Dr Ste 340
Belleville, IL 622265360
(618) 257-5841
Mailing address
409 Shiloh Station RD
O Fallon, IL 622694000

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 25, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Illinois #085002702

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053390237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,237
Distinct HCPCS
9
Medicare allowed
$68,686
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 892 107 $1
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg 672 13 $17
99213 Established patient office or other outpatient visit, 20-29 minutes 309 187 $75
20610 Aspiration and/or injection of fluid from large joint 243 129 $60
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose 44 14 $121
23472 Prosthetic repair of shoulder joint, total shoulder 26 24 $205
27447 Replacement of knee joint, both sides of knee 23 21 $182
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $92
27130 Replacement of thigh bone and hip joint with prosthesis 13 12 $182

In context: peer comparison

Among 2 peers in this city , average services per provider: 225. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$64
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 2 $49.33
Ferring Pharmaceuticals Inc. 1 $14.20

By nature of payment

Food and Beverage
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
106
Total drug cost
$1,703
Drug Type Claims Patients Total cost
Meloxicam Generic 203 86 $871
Tramadol Hcl Generic 23 20 $94
Naproxen Generic 21 0 $157
Celecoxib Generic 11 0 $581

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Churchill's medical specialty?
Dr. Gregory Churchill practices Medical Physician Assistant in O Fallon, IL.
Where does Dr. Gregory Churchill practice?
Dr. Gregory Churchill practices at 310 N 7 Hills RD, O Fallon, IL 622694111. Office phone: 6186246181.
What is Dr. Gregory Churchill's NPI?
Dr. Gregory Churchill's National Provider Identifier (NPI) is 1053390237, issued by NPPES.
Does Dr. Gregory Churchill accept Medicare assignment?
Yes. Dr. Gregory Churchill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Churchill commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (HCPCS J3304); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.