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

Edit this profile

Physician Profile

Lucy T. Shum Sin, MD

Is this you? Edit this profile

At a glance

About Dr. Shum Sin

Lucy T. Shum Sin, MD practices family medicine in Sioux Lookout, ONTARIO. Lucy is a 2022 graduate of University of Ottawa, Faculty of Medicine. The provider's National Provider Identifier (NPI) is 1730993940.

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

Education & Training

Specialty

Family Medicine (Primary)

Credentials & Licensing

ZZ licenceAs reported to the NPI registry
No. 119496As reported
NPINational Provider Identifier
1730993940Issued 2025

As reported to the NPI registry ↗

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. Shum Sin's specialty?

Dr. Shum Sin is a family doctor in Sioux Lookout, ONTARIO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where can I find Dr. Shum Sin?

Dr. Shum Sin is listed at 1 Meno Ya Win Way, Sioux Lookout, ONTARIO 814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Shum Sin?

The number on file is (514) 961-0936. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Shum Sin's NPI number?

Dr. Shum Sin's National Provider Identifier is 1730993940. 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. Shum Sin's medical education?

Dr. Shum Sin attended University of Ottawa, Faculty of Medicine, graduating in 2022. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Shum Sin been practicing?

Dr. Shum Sin has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Shum Sin confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shum Sin. 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