Zachary Guss, MD
NPI 1497195762 · Radiation Oncology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Guss, MD is a Radiation Oncology Physician provider in Spokane, WA (NPI 1497195762).
Provider details
- NPI number
- 1497195762
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00017033 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,188 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,300 | $43 |
| Calculation of Radiation Therapy Dose77300 | 401 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 329 | $182 |
| Design and Construction of Complex Radiation Treatment Device77334 | 258 | $56 |
| Complex Radiation Therapy Planning77263 | 129 | $160 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy77338 | 118 | $220 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 22 | 16 |
| Memantine Hcl | 18 | — |
| Triamcinolone Acetonide | 17 | 16 |
| Lorazepam | 17 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | — |
| Oxycodone Hcl | 13 | — |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-01
- Last updated
- 2022-07-12
- Certified
- 2022-07-12
Frequently asked questions
- What is Zachary Guss's NPI number?
- Zachary Guss's National Provider Identifier (NPI) is 1497195762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Guss's specialty?
- Zachary Guss is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Guss located?
- Zachary Guss's practice location on file with NPPES is 910 W 5th Ave Ste 102b, Spokane, WA 99204-2948.
- What is Zachary Guss's phone number?
- The practice phone number listed in the NPPES registry for Zachary Guss is (509) 755-5783.
- Does Zachary Guss accept Medicare?
- Zachary Guss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Guss's NPI active?
- Yes — Zachary Guss's NPI (1497195762) is active in the NPPES registry as of the last update on 2022-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.