Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Zachary David Guss, MD

Individual provider Radiation Oncology Physician · NPI 1497195762

Dr. Zachary David Guss, MD practises Radiation Oncology in Spokane, Washington. Graduated from Johns Hopkins University School of Medicine in 2013, 13 years ago. Practices with Multicare Health System, a 2,302-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
13
Trained at
Johns Hopkins University School of Medicine
Licensed in
WA
In the registry since
2013
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

910 W 5th Ave Ste 102B
Spokane, WA 99204-2948
Phone: (509) 755-5783
Fax: (509) 459-1522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD00017033 (WA)

Record details

NPI number1497195762
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2013
Last updated in NPPESJuly 12, 2022
Certification dateJuly 12, 2022

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Multicare Health System — 2302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 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 patients175
Services billed 3,362 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Deaconess Medical Center Hospital · Spokane, WA
  • Multicare Valley Hospital Hospital · Spokane Valley, WA
  • Tacoma General Allenmore Hospital Hospital · Tacoma, WA

Colleagues at Multicare Health System

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2302 clinicians in the practice; 12 are shown here.

Other providers in Spokane