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DR. LUCY TERESA SHUM SIN MD
NPI 1730993940
Family Medicine in Sioux Lookout, ONTARIO

Active since February 06, 2025PECOS EnrolledAccepts Medicare Assignment
1 MENO YA WIN WAY, SIOUX LOOKOUT, ONTARIO P8T1B(514) 961-0936 Get Directions Write a Review

NPPES record last updated: February 6, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Lucy Teresa Shum Sin Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LUCY TERESA SHUM SIN MD (NPI 1730993940) is an individual family medicine provider in Sioux Lookout, ONTARIO, licensed in Foreign Country (119496) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with Signature Healthcare Brockton Hospital, and is a graduate of University Of Ottawa, Faculty Of Medicine (2022).

NPPES Registry Identity

NPI1730993940
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. LUCY TERESA SHUM SINCredential: MD
Location Address1 MENO YA WIN WAYSioux Lookout, ONTARIO P8T1B4
Mailing Address23 Larch StWestwood, MA 02090-1515 · (514) 961-0936
Phone(514) 961-0936
Sole ProprietorNo
Medical School CMSUniversity Of Ottawa, Faculty Of MedicineGraduated 2022
Enumeration DateFebruary 6, 2025
NPPES CertifiedFebruary 6, 2025
✔ NPI 1730993940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in ZZ · 119496
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1 MENO YA WIN WAY, Sioux Lookout, ONTARIO P8T1B
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lucy Teresa Shum Sin Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335623487
PECOS Enrollment IDI20260317004297
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lucy Shum Sin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sound Physicians Of Massachusetts Inc
2,459 mi
Internal Medicine
71 HOSPITAL AVE
North Adams, MA 01247
  • Reassigned Medicare billing, Massachusetts enrollment
  • 337 clinicians in this Medicare group
NPI 1205164951 (413) 664-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Signature Healthcare Brockton Hospital

Acute Care Hospitals · Brockton, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220052
Location680 Center StreetBrockton, MA 02302 · Plymouth County
Emergency services Birthing friendly

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lucy Shum Sin's NPI number?

The NPI number for Lucy Shum Sin is 1730993940. It was assigned to this individual provider in the NPPES registry on February 6, 2025.

Where is Lucy Shum Sin located?

Lucy Shum Sin practices at 1 Meno Ya Win Way, Sioux Lookout, ONTARIO P8T1B. The listed phone number is (514) 961-0936.

What is Lucy Shum Sin's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lucy Shum Sin enrolled in Medicare?

Yes. Lucy Shum Sin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lucy Shum Sin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lucy Shum Sin reassigns Medicare benefits to Sound Physicians Of Massachusetts Inc (North Adams, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lucy Shum Sin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lucy Shum Sin affiliated with any hospitals?

According to CMS data, Lucy Shum Sin is affiliated with Signature Healthcare Brockton Hospital.

When was this NPI record last updated?

The NPPES record for Lucy Shum Sin was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.