Are you Dr. Yong? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

William H. Yong, MD

Is this you? Edit this profile

At a glance

About Dr. Yong

William H. Yong, MD practices anatomic & clinical pathology in Los Angeles, CA. William is a 1991 graduate of University of California, Geffen School of Medicine. William is also listed as specializing in specialist. According to Medicare claims data, William cared for 396 Medicare patients across 911 services. The services billed most often include antibody evaluation, each additional single antibody stain procedure, special stained specimen slides to examine tissue, each additional procedure, and pathology examination of tissue using a microscope, intermediate complexity. The provider's National Provider Identifier (NPI) is 1578560520.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 81305CurrentExpires Nov 30, 2026Since 1995
NPINational Provider Identifier
1578560520Issued 2005

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 is Dr. Yong's specialty?

Dr. Yong is an anatomic & clinical pathology in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Dr. Yong?

Dr. Yong is listed at 10833 Le Conte Ave Chs B-186, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Yong?

The number on file is (310) 794-1355. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Yong's NPI number?

Dr. Yong's National Provider Identifier is 1578560520. 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 Dr. Yong's medical education?

Dr. Yong attended University of California, Geffen School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Yong been practicing?

Dr. Yong has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Yong known for?

According to Medicare billing data, Dr. Yong 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

Has Dr. Yong confirmed this information?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD