MATTHEW KON DO
NPI 1699303974
Internal Medicine in Mount Vernon, WA
About Matthew Kon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW KON DO (NPI 1699303974) is an individual internal medicine provider in Mount Vernon, Washington, licensed in Hawaii (D0S-2393) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Wilcox Memorial Hospital, and is a graduate of William Carey University College Of Osteopathic Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Matthew Kon Do 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.
Medicare Billing Reassignments
2Medicare enrollment records show Matthew Kon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Coupeville, WA 98239
- Reassigned Medicare billing, Washington enrollment
- 915 clinicians in this Medicare group
Lihue, HI 96766
- Reassigned Medicare billing, Hawaii enrollment
- 298 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wilcox Memorial Hospital
Acute Care Hospitals · Lihue, HISamuel Mahelona Memorial Hospital
Critical Access Hospitals · Kapaa, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
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 Matthew Kon's NPI number?
The NPI number for Matthew Kon is 1699303974. It was assigned to this individual provider in the NPPES registry on March 31, 2020.
Where is Matthew Kon located?
Matthew Kon practices at 1415 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 814-2115.
What is Matthew Kon's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Kon enrolled in Medicare?
Yes. Matthew Kon 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 organizations bill Medicare for Matthew Kon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Kon reassigns Medicare benefits to 2 organizations: South Sound Inpatient Physicians, PLLC (Coupeville, WA) and Kauai Medical Clinic (Lihue, HI). Each 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 Matthew Kon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Kon affiliated with any hospitals?
According to CMS data, Matthew Kon is affiliated with Wilcox Memorial Hospital and Samuel Mahelona Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Kon was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Matthew Kon, DO · NPI 1699303974
Internal Medicine physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1699303974 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0S-2393 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 1415 E KINCAID ST, Mount Vernon, WA 98274-4126
- **Phone:** (360) 814-2115 · **Fax:** (360) 428-2215
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): South Sound Inpatient Physicians, PLLC (NPI 1982035754, Coupeville, WA); Kauai Medical Clinic (NPI 1376596643, Lihue, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** William Carey University College Of Osteopathic Medicine, class of 2020
## Record status
- **NPPES last updated:** June 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699303974) · Data from the CMS NPPES public registry.