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Physician Profile

Charissa HOI YAN So, M.D.

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At a glance

About Dr. So

Charissa HOI YAN So, M.D. practices internal medicine in Sylmar, CA. Charissa is a 2005 graduate of University of California, Irvine, California College of Medicine. The provider's National Provider Identifier (NPI) is 1558563700.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 97824CurrentExpires Oct 2028Since 2006
NPINational Provider Identifier
1558563700Issued 2007

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Charissa HOI YAN So specialize in?

Charissa HOI YAN So is an internist in Sylmar, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Charissa HOI YAN So located?

Charissa HOI YAN So is listed at 14445 Olive View Dr # 2B-182, Sylmar, CA 91342. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Charissa HOI YAN So's phone number?

The number on file is (818) 364-3205. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Charissa HOI YAN So's NPI number?

Charissa HOI YAN So's National Provider Identifier is 1558563700. 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

Where did Charissa HOI YAN So train?

Charissa HOI YAN So attended University of California, Irvine, California College of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.

CMS public data

How long has Charissa HOI YAN So been practicing?

Charissa HOI YAN So has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.

CMS public data

Has Charissa HOI YAN So confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Charissa HOI YAN So. If this is you, claiming it is free.

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