Jeffrey Nackos, M.D.
NPI 1548451362 · Diagnostic Radiology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Nackos, M.D. is a Diagnostic Radiology Physician provider in Spokane, WA (NPI 1548451362).
Provider details
- NPI number
- 1548451362
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60270971 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,366 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 688 | $8 |
| X-Ray of Chest, 2 Views71046 | 335 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 304 | $84 |
| X-Ray of Chest, 2 Views71046 | 254 | $29 |
| Ct Scan of Chest Without Contrast71250 | 211 | $50 |
| Low Dose Ct Scan of Chest for Lung Cancer Screening71271 | 179 | $141 |
| Low Dose Ct Scan of Chest for Lung Cancer Screening |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-06
- Last updated
- 2012-09-06
Frequently asked questions
- What is Jeffrey Nackos's NPI number?
- Jeffrey Nackos's National Provider Identifier (NPI) is 1548451362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Nackos's specialty?
- Jeffrey Nackos is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Nackos located?
- Jeffrey Nackos's practice location on file with NPPES is 801 S Stevens St, Spokane, WA 99204-2654.
- What is Jeffrey Nackos's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Nackos is (509) 747-4455.
- Does Jeffrey Nackos accept Medicare?
- Jeffrey Nackos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Nackos's NPI active?
- Yes — Jeffrey Nackos's NPI (1548451362) is active in the NPPES registry as of the last update on 2012-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.