Provider Profile
Gregory S. Churchill, PHYSICIAN ASSISTANT
Unclaimed ProfileAbout Gregory Churchill
Gregory S. Churchill, PHYSICIAN ASSISTANT is a physician assistant practicing in O Fallon, IL. Gregory is also listed as specializing in physician assistant — medical. Medicare claims data shows Gregory provided 1,546 services to 443 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint. This provider record is associated with NPI 1053390237.
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) 624-6181
- Email not available
Practice Locations
310 N 7 HILLS RD
O Fallon, IL 62269
4500 Memorial Dr Ste 340
Belleville, IL 62226
Procedures Most Often Billed to Medicare
1,546 services · 443 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
221 | More often than most peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
24 | As often as other peers in Physician Assistant |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
13 | Less often than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,036 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
222 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 | Less often than most peers in Physician Assistant |
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.
Other physician assistants at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 31 related providers in 4 groups
Other physician assistants in O Fallon 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Other 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 is Gregory S. Churchill's specialty?
Gregory S. Churchill is a physician assistant in O Fallon, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Gregory S. Churchill?
Gregory S. Churchill is listed at 310 N 7 Hills Rd, O Fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory S. Churchill?
The number on file is (618) 624-6181. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gregory S. Churchill?
Gregory S. Churchill's National Provider Identifier is 1053390237. 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
What is Gregory S. Churchill's education?
Gregory S. Churchill attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gregory S. Churchill have?
Gregory S. Churchill has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Gregory S. Churchill known for?
According to Medicare billing data, Gregory S. Churchill performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and prosthetic repair of shoulder joint, total shoulder, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory S. Churchill's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory S. Churchill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.