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Edit this profileWhere to find John H. Davidson, PA
- Carbondale location main office
405 W Jackson St, Carbondale, IL 62901 - Chesterfield location
16091 Swingley Ridge Rd, Suite #100, Chesterfield, MO 63017 - Herrin location
201 S 14th St, Herrin, IL 62948 - Murphysboro location
2 S Hospital Dr, Murphysboro, IL 62966
About John Davidson
Listed in the NPI registry as a physician assistant, John H. Davidson, PA practices in Carbondale, IL. According to Medicare claims data, John cared for 170 Medicare patients across 172 services. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. NPI 1043480056 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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) 549-0721
- Email not available
Practice Locations
405 W JACKSON ST
Carbondale, IL 62901
16091 Swingley Ridge Rd Suite #100
Chesterfield, MO 63017
201 S 14th St
Herrin, IL 62948
2 S Hospital Dr
Murphysboro, IL 62966
Procedures Most Often Billed to Medicare
172 services · 170 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
115 | More often than most peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
57 | More 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 5 related providers in 1 group
Common questions
What does John H. Davidson specialize in?
John H. Davidson is a physician assistant in Carbondale, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John H. Davidson located?
John H. Davidson is listed at 405 W Jackson St, Carbondale, IL 62901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John H. Davidson's phone number?
The number on file is (618) 549-0721. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John H. Davidson's NPI number?
John H. Davidson's National Provider Identifier is 1043480056. 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
How long has John H. Davidson been practicing?
John H. Davidson has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does John H. Davidson do most often?
According to Medicare billing data, John H. Davidson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John H. Davidson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John H. Davidson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.