James Chalfant
NPI 1447679105 · Diagnostic Radiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chalfant is a Diagnostic Radiology Physician provider in Los Angeles, CA (NPI 1447679105).
Provider details
- NPI number
- 1447679105
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A139886 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,867 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 430 | $145 |
| Screening 3d Breast Mammography77063 | 426 | $57 |
| Screening Mammography77067 | 262 | $37 |
| Screening 3d Breast Mammography77063 | 259 | $29 |
| Diagnostic Mammography of 1 Breast77065 | 90 | $139 |
| Limited Ultrasound Scan of 1 Breast76642 | 87 | $102 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1245 16th St Ste 105Santa Monica, CA 90404-1239Phone: (310) 301-6800Fax: (310) 794-9035
Registry dates
- Enumerated
- 2014-04-09
- Last updated
- 2019-10-22
Frequently asked questions
- What is James Chalfant's NPI number?
- James Chalfant's National Provider Identifier (NPI) is 1447679105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chalfant's specialty?
- James Chalfant is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Chalfant located?
- James Chalfant's practice location on file with NPPES is 757 Westwood Plz Ste 1638, Los Angeles, CA 90095-8358.
- What is James Chalfant's phone number?
- The practice phone number listed in the NPPES registry for James Chalfant is (310) 267-8796.
- Does James Chalfant accept Medicare?
- James Chalfant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chalfant's NPI active?
- Yes — James Chalfant's NPI (1447679105) is active in the NPPES registry as of the last update on 2019-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.