Justin Siegal, MD
NPI 1639184518 · Diagnostic Radiology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Siegal, MD is a Diagnostic Radiology Physician provider in Oakland, CA (NPI 1639184518).
Provider details
- NPI number
- 1639184518
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00042038 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,277 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 272 | $41 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 235 | $81 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 231 | $85 |
| Mri Scan of Brain Without Contrast70551 | 126 | $72 |
| Mri Scan of Brain Before and After Contrast70553 | 95 | $112 |
| Mri Scan of Brain Before and After Contrast70553 | 42 | $255 |
Practice location
Mailing address
Additional practice locations (2)
- 19020 33rd Ave WSuite 210Lynnwood, WA 98036-4746Phone: (425) 563-1500Fax: (425) 563-1501
- 203 S Western AveTonasket, WA 98855-8803Phone: (509) 486-2151Fax: (509) 223-1640
Registry dates
- Enumerated
- 2006-07-29
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Justin Siegal's NPI number?
- Justin Siegal's National Provider Identifier (NPI) is 1639184518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Siegal's specialty?
- Justin Siegal is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Siegal located?
- Justin Siegal's practice location on file with NPPES is 747 52nd St, Oakland, CA 94609-1809.
- What is Justin Siegal's phone number?
- The practice phone number listed in the NPPES registry for Justin Siegal is (510) 428-3000.
- Does Justin Siegal accept Medicare?
- Justin Siegal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Siegal's NPI active?
- Yes — Justin Siegal's NPI (1639184518) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.