Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John Dewolfe Mackenzie, MD

Individual provider Pediatric Radiology Physician · NPI 1437356268

Dr. John Dewolfe Mackenzie, MD practises Diagnostic Radiology in Lynnwood, Washington. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2000, 26 years ago. Practices with Yakima Valley Memorial Physicians, a 401-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
26
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
CA, WA
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

19020 33rd Ave W Ste 210
Lynnwood, WA 98036
Phone: (425) 563-1500
Fax: (425) 563-1501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 400 Parnassus Ave, San Francisco, CA 94143 — (415) 476-1000
  • 400 Parnassus Ave, San Francisco, CA 94143 — (415) 476-1000
  • 725 Welch Road, Stanford, CA 94305-5654 — (650) 725-2548

Specialties & licences

Pediatric Radiology Physician (primary) Taxonomy 2085P0229X · Licence MD60942783 (WA)
Pediatric Radiology Physician Taxonomy 2085P0229X · Licence A99500 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence A99500 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD60942783 (WA)

Record details

NPI number1437356268
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2007
Last updated in NPPESAugust 22, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Yakima Valley Memorial Physicians — 401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients2,126
Services billed 2,874 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $87 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Santa Clara Valley Medical Center Hospital · San Jose, CA
  • Yakima Valley Memorial Hospital · Yakima, WA · listed as Yakima Valley Memorial Hospital
  • Asante Rogue Regional Medical Center Hospital · Medford, OR
  • Peacehealth Southwest Medical Cente Hospital · Vancouver, WA
  • Providence Santa Rosa Memorial Hospital Hospital · Santa Rosa, CA

Colleagues at Yakima Valley Memorial Physicians

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 401 clinicians in the practice; 12 are shown here.

Other providers in Lynnwood