Provider Profile
Courtley Yan, PA-C
Unclaimed ProfileAbout Courtley Yan
Courtley Yan, PA-C is a physician assistant practicing in Glendora, CA. Medicare claims data shows Courtley provided 36 services to 28 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1205435583.
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
- (626) 334-4610
- Email not available
Practice Locations
2025 E ROUTE 66
Glendora, CA 91740
Procedures Most Often Billed to Medicare
36 services · 28 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
36 | 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.
Related specialists at this location 6
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.
Other physician assistants in Glendora 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Courtley Yan's specialty?
Courtley Yan is a physician assistant in Glendora, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Courtley Yan?
Courtley Yan is listed at 2025 E Route 66, Glendora, CA 91740. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Courtley Yan?
The number on file is (626) 334-4610. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Courtley Yan?
Courtley Yan's National Provider Identifier is 1205435583. 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 Courtley Yan's education?
Courtley Yan attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Courtley Yan have?
Courtley Yan has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Courtley Yan known for?
According to Medicare billing data, Courtley Yan 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
Is Courtley Yan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Courtley Yan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.