Provider Profile
Corey R. Tiller, PA
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.