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DR. KWOKYAN WILLIAM TSOI M.D.
NPI 1164748497
Family Medicine in Fort Drum, NY

Active since April 12, 2010PECOS Enrolled
11050 MT BELVEDERE BLVD, FORT DRUM, NY 13602(206) 466-7733 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 11, 2025, Jul 8, 2021 (2 updates tracked since 2021).

About Dr. Kwokyan William Tsoi M.d. NPPES

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

DR. KWOKYAN WILLIAM TSOI M.D. (NPI 1164748497) is an individual family medicine provider in Fort Drum, New York, licensed in California (A119492) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1164748497
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KWOKYAN WILLIAM TSOICredential: M.D.
Location Address11050 MT BELVEDERE BLVDFort Drum, NY 13602-2603
Mailing AddressPo Box 38Alhambra, CA 91802-0038 · (323) 899-9816
Phone(206) 466-7733
Sole ProprietorNo
Enumeration DateApril 12, 2010
Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration
NPPES CertifiedAugust 11, 2025
✔ NPI 1164748497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A119492
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.
Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License A119492 (CA)
11050 MT BELVEDERE BLVD, Fort Drum, NY 13602
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Secondary Practice Locations 2

Location 1Madigan Army Medical Center 9040 Jackson AveTacoma, WA 98431-2206 · Phone (253) 968-2252
Location 218300 US Highway 18Apple Valley, CA 92307-2206 · Phone (760) 946-4233

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kwokyan William Tsoi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MICHAEL HARRIS CARPENTER M.D.
Pediatrics
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (315) 772-7730
DR. ELIZABETH DUQUE M.D.
Family Medicine
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (888) 838-1303
PATRICK ALLEN CLAPP PA-C
Physician Assistant
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (315) 772-5516
KEVIN LEE LAROSE PHYSICIAN ASSISTANT
Physician Assistant
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (315) 772-2778
DEEANN STALVEY
Psychologist
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (701) 367-0584
AMBER DONN CANTEY DPT
Physical Therapist
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (210) 419-1874
JEREMIAH C CLESTER PA-C
Physician Assistant
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (315) 772-2778
DUSTEN GREEN DSW,LCSW, CASAC
Social Worker
11050 MT BELVEDERE BLVD
FORT DRUM, NY 13602
Jefferson County (315) 772-2778

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 Kwokyan Tsoi's NPI number?

The NPI number for Kwokyan Tsoi is 1164748497. It was assigned to this individual provider in the NPPES registry on April 12, 2010.

Where is Kwokyan Tsoi located?

Kwokyan Tsoi practices at 11050 Mt Belvedere Blvd, Fort Drum, NY 13602. The listed phone number is (206) 466-7733.

What is Kwokyan Tsoi's specialty?

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

Is Kwokyan Tsoi enrolled in Medicare?

Yes. Kwokyan Tsoi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kwokyan Tsoi was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.