HEEMUN KWOK M.D.
NPI 1487628434
Emergency Medicine in Seattle, WA
About Heemun Kwok M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEEMUN KWOK M.D. (NPI 1487628434) is an individual emergency medicine provider in Seattle, Washington, licensed in Colorado (42492) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Heemun Kwok M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Heemun Kwok reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 267 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Seattle, WA 98195
- Reassigned Medicare billing, Washington enrollment
- 274 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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.
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 Heemun Kwok's NPI number?
The NPI number for Heemun Kwok is 1487628434. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Heemun Kwok located?
Heemun Kwok practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-9888.
What is Heemun Kwok's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Heemun Kwok enrolled in Medicare?
Yes. Heemun Kwok is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Heemun Kwok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heemun Kwok reassigns Medicare benefits to 3 organizations: Harborview Medical Center (Seattle, WA), The Association Of University Physicians (Seattle, WA) and University Of Washington (Seattle, WA). 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 Heemun Kwok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heemun Kwok accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Heemun Kwok as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Heemun Kwok was last updated on March 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.
# Heemun Kwok, M.D. · NPI 1487628434
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since February 15, 2006.
## Identity
- **NPI:** 1487628434 (Entity type: Individual)
- **Enumerated:** February 15, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 42492 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 744-9888
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Harborview Medical Center (NPI 1568557312, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA); University Of Washington (NPI 1326002049, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 8, 2011
- **Other identifiers:** Medicare PIN C807726 (CO); Medicaid 71603506 (NM); Medicaid 62837044 (CO); and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1487628434) · Data from the CMS NPPES public registry.