Samuel Maxwell, MD
NPI 1386740900 · Diagnostic Radiology Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Maxwell, MD is a Diagnostic Radiology Physician provider in Fullerton, CA (NPI 1386740900).
Provider details
- NPI number
- 1386740900
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G58197 (CA)
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
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
1,336 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 | 442 | $9 |
| X-Ray of Chest, 2 Views71046 | 139 | $11 |
| X-Ray of Chest, 2 Views71046 | 121 | $11 |
| Screening 3d Breast Mammography77063 | 65 | $29 |
| Screening Mammography77067 | 65 | $37 |
| Screening 3d Breast Mammography77063 | 54 | $29 |
| Screening Mammography |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2023-03-07
Frequently asked questions
- What is Samuel Maxwell's NPI number?
- Samuel Maxwell's National Provider Identifier (NPI) is 1386740900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Maxwell's specialty?
- Samuel Maxwell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Maxwell located?
- Samuel Maxwell's practice location on file with NPPES is 101 East Valencia Mesa Drive, Fullerton, CA 92835.
- What is Samuel Maxwell's phone number?
- The practice phone number listed in the NPPES registry for Samuel Maxwell is (714) 992-3978.
- Does Samuel Maxwell accept Medicare?
- Samuel Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Maxwell's NPI active?
- Yes — Samuel Maxwell's NPI (1386740900) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.