WILLIAM P MANSFIELD M.D.
NPI 1467421917
Radiology - Diagnostic Radiology in San Diego, CA
About William P Mansfield M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM P MANSFIELD M.D. (NPI 1467421917) is an individual diagnostic radiology provider in San Diego, California, licensed in California (G63334) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Morehouse School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William P Mansfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
28Medicare enrollment records show William Mansfield reassigns Medicare billing to 28 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92115
- Reassigned Medicare billing, California enrollment
- 102 clinicians in this Medicare group
Fallbrook, CA 92028
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Beverly Radiology Medical Group Iii
- Also billed through NPI 1649599085 (California), NPI 1801159736 (California)
- 349 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 116 clinicians in this Medicare group
Palm Desert, CA 92260
- Reassigned Medicare billing, California enrollment
- 278 clinicians in this Medicare group
Lynwood, CA 90262
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 311 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 329 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 70
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Mansfield's NPI number?
The NPI number for William Mansfield is 1467421917. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is William Mansfield located?
William Mansfield practices at 406 9th Ave Suite 201, San Diego, CA 92101. The listed phone number is (619) 338-0911.
What is William Mansfield's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Mansfield enrolled in Medicare?
Yes. William Mansfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Mansfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mansfield reassigns Medicare benefits to 28 organizations: Modesto Radiological Medical Group, Inc (San Diego, CA), Beverly Radiology Medical Group (Fallbrook, CA), Health Diagnostics Of California A Professional Corporation (Laguna Hills, CA), Desert Advanced Imaging Medical Center (Palm Desert, CA), St Francis Radiology Medical Group (Lynwood, CA) and 23 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Mansfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Mansfield accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list William Mansfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Mansfield was last updated on March 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.