John Yoon, M.D.
NPI 1588860944 · Diagnostic Radiology Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Yoon, M.D. is a Diagnostic Radiology Physician provider in Santa Barbara, CA (NPI 1588860944).
Provider details
- NPI number
- 1588860944
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A95158 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
7,055 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 | 593 | $9 |
| X-Ray of Chest, 2 Views71046 | 411 | $36 |
| X-Ray of Knee, 3 Views73562 | 286 | $43 |
| Mri Scan of Brain Without Contrast70551 | 277 | $70 |
| X-Ray of Hip, 2-3 Views73502 | 206 | $52 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 187 | $213 |
| Ultrasound Scan of Head and Neck Soft Tissue |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-22
- Last updated
- 2008-08-18
Frequently asked questions
- What is John Yoon's NPI number?
- John Yoon's National Provider Identifier (NPI) is 1588860944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yoon's specialty?
- John Yoon is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Yoon located?
- John Yoon's practice location on file with NPPES is Pueblo at Bath St., Santa Barbara, CA 93102.
- What is John Yoon's phone number?
- The practice phone number listed in the NPPES registry for John Yoon is (805) 569-7279.
- Does John Yoon accept Medicare?
- John Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Yoon's NPI active?
- Yes — John Yoon's NPI (1588860944) is active in the NPPES registry as of the last update on 2008-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.