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Edit this profileAt a glance
- 100 E Lancaster Ave, Wynnewood, PA 19096
About Cathy Si
Listed in the NPI registry as a physician assistant — medical, Cathy Si, PA-C practices in Wynnewood, PA. Cathy is also listed as specializing in physician assistant. NPI 1609613413 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
- (484) 476-2000
- Email not available
Practice Locations
100 E LANCASTER AVE
Wynnewood, PA 19096
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 7 related providers in 1 group
Common questions
What does Cathy Si specialize in?
Cathy Si is a physician assistant in Wynnewood, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Where is Cathy Si located?
Cathy Si is listed at 100 E Lancaster Ave, Wynnewood, PA 19096. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Cathy Si's phone number?
The number on file is (484) 476-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Cathy Si?
Cathy Si's National Provider Identifier is 1609613413. 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 much experience does Cathy Si have?
Cathy Si has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Cathy Si's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Cathy Si. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.