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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM KANG
NPI 1740150135
Family Medicine - Sleep Medicine in Manassas, VA

Active since November 10, 2025PECOS Enrolled
8525 ROLLING RD STE 200, MANASSAS, VA 20110(703) 257-2266 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 19, 2026, Jul 10, 2026, Nov 10, 2025 (3 updates tracked since 2025).

About William Kang NPPES

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

WILLIAM KANG (NPI 1740150135) is an individual sleep medicine provider in Manassas, Virginia, licensed in Virginia (0110011378) and active in the NPI registry since November 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740150135
Entity TypeIndividualMale
Primary Taxonomy207QS1201X
Provider Legal NameWILLIAM KANG
Location Address8525 ROLLING RD STE 200Manassas, VA 20110-3648
Mailing Address8525 Rolling Rd Ste 200Manassas, VA 20110-3648
Phone(703) 257-2266
Sole ProprietorNo
Enumeration DateNovember 10, 2025
Last NPPES UpdateAugust 19, 20263 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1740150135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS1201X
License✔ Licensed in VA · 0110011378
Definition
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License 0110011378 (VA)
Also ListedPhysician AssistantTaxonomy 363A00000X · License 0110011378 (VA)
8525 ROLLING RD STE 200, Manassas, VA 20110
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Kang 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 20110 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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 2

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

ADRIENNE FAITH LAND PA-C
Physician Assistant
8525 ROLLING RD STE 200
MANASSAS, VA 20110
Manassas City (703) 257-2263
DR. USMAN ZAFAR M.D.
Pain Medicine (Interventional Pain Medicine)
8525 ROLLING RD STE 200
MANASSAS, VA 20110
Manassas City (703) 257-2266

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 William Kang's NPI number?

The NPI number for William Kang is 1740150135. It was assigned to this individual provider in the NPPES registry on November 10, 2025.

Where is William Kang located?

William Kang practices at 8525 Rolling Rd Ste 200, Manassas, VA 20110. The listed phone number is (703) 257-2266.

What is William Kang's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sleep Medicine, with taxonomy code 207QS1201X.

Is William Kang enrolled in Medicare?

Yes. William Kang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Kang was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.