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Edit this profileAt a glance
- 1737 Walnut Creek Drive, Chino Hills, CA 91709
About Corey Tiller
Corey R. Tiller, PA is a physician assistant based in Chino Hills, CA. According to Medicare claims data, Corey cared for 118 Medicare patients across 128 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and x-ray of chest, 1 view. The provider's National Provider Identifier (NPI) is 1982122776.
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
- (909) 263-3672
- Email not available
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Practice Locations
1737 WALNUT CREEK DRIVE
Chino Hills, CA 91709
Procedures Most Often Billed to Medicare
128 services · 118 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
15 | As often as other peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
70 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
43 | As often as other 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 in Chino Hills 8
Same specialty, same city.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Corey R. Tiller's specialty?
Corey R. Tiller is a physician assistant in Chino Hills, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Corey R. Tiller?
Corey R. Tiller is listed at 1737 Walnut Creek Drive, Chino Hills, CA 91709. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Corey R. Tiller?
The number on file is (909) 263-3672. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Corey R. Tiller's NPI number?
Corey R. Tiller's National Provider Identifier is 1982122776. 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 Corey R. Tiller been practicing?
Corey R. Tiller has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Corey R. Tiller known for?
According to Medicare billing data, Corey R. Tiller performs imaging including x-ray of chest, 1 view, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Corey R. Tiller confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Corey R. Tiller. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.