DR. JOHN DEWOLFE MACKENZIE MD
NPI 1437356268
Radiology - Pediatric Radiology in Lynnwood, WA
About Dr. John Dewolfe Mackenzie Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN DEWOLFE MACKENZIE MD (NPI 1437356268) is an individual pediatric radiology provider in Lynnwood, Washington, licensed in Washington (MD60942783) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Asante Rogue Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 7
Accepted Insurance
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. John Dewolfe Mackenzie 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.
Medicare Billing Reassignments
21Medicare enrollment records show John Mackenzie reassigns Medicare billing to 21 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynnwood, WA 98036
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Edmonds, WA 98026
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Everett, WA 98208
- Reassigned Medicare billing, Washington enrollment
- 194 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, California enrollment
- 15 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 39
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Asante Rogue Regional Medical Center
Acute Care Hospitals · Medford, ORYakima Valley Memorial
Acute Care Hospitals · Yakima, WAPeacehealth Southwest Medical Center
Acute Care Hospitals · Vancouver, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
LYNNWOOD, WA 98036
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 John Mackenzie's NPI number?
The NPI number for John Mackenzie is 1437356268. It was assigned to this individual provider in the NPPES registry on June 27, 2007.
Where is John Mackenzie located?
John Mackenzie practices at 19020 33rd Ave W Ste 210, Lynnwood, WA 98036. The listed phone number is (425) 563-1500.
What is John Mackenzie's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is John Mackenzie enrolled in Medicare?
Yes. John Mackenzie 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 John Mackenzie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mackenzie reassigns Medicare benefits to 21 organizations: Radia Inc P S (Lynnwood, WA), Swedish Radia Imaging Center At Edmonds LLC (Edmonds, WA), Swedish Health Services (Everett, WA), Evergreen Radia LLC (Kirkland, WA), Radia Imaging Center Holdings LLC (Seattle, WA) and 16 more organizations, listed in the Medicare section above. 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 John Mackenzie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mackenzie accept?
Health plans from Health Advantage, Octave and Premera Blue Cross Blue Shield of Alaska list John Mackenzie 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.
Is John Mackenzie affiliated with any hospitals?
According to CMS data, John Mackenzie is affiliated with Asante Rogue Regional Medical Center, Yakima Valley Memorial, Peacehealth Southwest Medical Center and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for John Mackenzie was last updated on August 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. John Dewolfe Mackenzie, MD · NPI 1437356268
Pediatric Radiology physician in Lynnwood, Washington. Individual provider, active in the CMS NPPES registry since June 27, 2007.
## Identity
- **NPI:** 1437356268 (Entity type: Individual)
- **Enumerated:** June 27, 2007
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** MD60942783 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 19020 33RD AVE W STE 210, Lynnwood, WA 98036
- **Phone:** (425) 563-1500 · **Fax:** (425) 563-1501
## 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:** 21 organizations under Medicare reassignment (form CMS-855R): Radia Inc P S (NPI 1932196607, Lynnwood, WA); Swedish Radia Imaging Center At Edmonds LLC (NPI 1164494373, Edmonds, WA); Swedish Health Services (NPI 1114356904, Everett, WA); Evergreen Radia LLC (NPI 1922095694, Kirkland, WA); Radia Imaging Center Holdings LLC (NPI 1639653017, Seattle, WA); and 16 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2000
## Record status
- **NPPES last updated:** August 22, 2019
- **Other identifiers:** Other 0408816 (WA); Other 0408810 (WA); Other 0408811 (WA); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1437356268) · Data from the CMS NPPES public registry.