Diana James, M.D., PH.D.
NPI 1255653952 · Diagnostic Radiology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana James, M.D., PH.D. is a Diagnostic Radiology Physician provider in Hartford, CT (NPI 1255653952).
Provider details
- NPI number
- 1255653952
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 226044 (MA)
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
16 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
861 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) |
|---|---|---|
| Screening Mammography77067 | 161 | $141 |
| Screening 3d Breast Mammography77063 | 158 | $56 |
| Screening Mammography77067 | 107 | $38 |
| Screening 3d Breast Mammography77063 | 106 | $30 |
| Diagnostic Mammography of 1 Breast77065 | 54 | $137 |
| Complete Ultrasound Scan of 1 Breast76641 | 31 | $52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-22
- Last updated
- 2018-01-15
Frequently asked questions
- What is Diana James's NPI number?
- Diana James's National Provider Identifier (NPI) is 1255653952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana James's specialty?
- Diana James is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana James located?
- Diana James's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is Diana James's phone number?
- The practice phone number listed in the NPPES registry for Diana James is (860) 289-3375.
- Does Diana James accept Medicare?
- Diana James is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana James's NPI active?
- Yes — Diana James's NPI (1255653952) is active in the NPPES registry as of the last update on 2018-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.