John James, D.O.
NPI 1255303962 · Diagnostic Radiology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John James, D.O. is a Diagnostic Radiology Physician provider in Phoenix, AZ (NPI 1255303962).
Provider details
- NPI number
- 1255303962
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2290 (AZ)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
763 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 | 155 | $37 |
| X-Ray of Chest, 1 View71045 | 103 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 99 | $81 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 60 | $81 |
| Ct Scan of Chest With Contrast71260 | 34 | $51 |
| Ct Scan of Chest Without Contrast71250 | 32 | $49 |
| Ct Scan of Blood Vessels of Neck With Contrast |
Practice location
Mailing address
Additional practice locations (1)
- 520 Rose LnWickenburg, AZ 85390-1447Phone: (928) 668-1803Fax: (928) 684-2434
Registry dates
- Enumerated
- 2006-02-06
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is John James's NPI number?
- John James's National Provider Identifier (NPI) is 1255303962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John James's specialty?
- John James is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John James located?
- John James's practice location on file with NPPES is 19829 N 27th Ave, Phoenix, AZ 85027-4001.
- What is John James's phone number?
- The practice phone number listed in the NPPES registry for John James is (623) 978-5720.
- Does John James accept Medicare?
- John James is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John James's NPI active?
- Yes — John James's NPI (1255303962) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.