WILLIAM P MANSFIELD M.D.
NPI 1467421917
Radiology - Diagnostic Radiology in San Diego, CA

Active since March 16, 2006PECOS EnrolledAccepts Medicare Assignment
406 9TH AVE, SUITE 201, SAN DIEGO, CA 92101(619) 338-0911(619) 338-0933 Get Directions Write a Review

NPPES record last updated: March 18, 2014. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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

NPI1467421917
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM P MANSFIELDCredential: M.D.
Location Address406 9TH AVE, SUITE 201San Diego, CA 92101-7276
Mailing Address406 9th Ave, Suite 201San Diego, CA 92101-7276 · (619) 338-0911 · Fax (619) 338-0933
Fax(619) 338-0933
Sole ProprietorNo
Medical School CMSMorehouse School Of MedicineGraduated 1987
Enumeration DateMarch 16, 2006
Last NPPES UpdateMarch 18, 2014
✔ NPI 1467421917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · G63334✔ Licensed in OH · 35.079417
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License G63334 (CA)
Also ListedInternal Medicine · Magnetic Resonance Imaging (MRI)Taxonomy 207RM1200X · License G63334 (CA)
406 9TH AVE, San Diego, CA 92101

Other Identifiers 7

Other300121591OH · Railroad Medicare
Other000000196899OH · Anthem Bcbs
Medicare ID-Type UnspecifiedMA7287351OH
Medicaid2244217OH
Medicare UPINE83340
Medicare UPINE83340CA
Medicare PINAZ464YCA

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.

PECOS PAC ID2365488145
PECOS Enrollment IDI20081210000782
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

28

Medicare 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.

Diagnostic Radiology
4525 YERBA SANTA DR
San Diego, CA 92115
  • Reassigned Medicare billing, California enrollment
  • 102 clinicians in this Medicare group
Diagnostic Radiology
521 E ELDER ST, SUITE 101
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
Diagnostic Radiology
24022 CALLE DE LA PLATA STE 100
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 116 clinicians in this Medicare group
Diagnostic Radiology
72855 FRED WARING DR
Palm Desert, CA 92260
  • Reassigned Medicare billing, California enrollment
  • 278 clinicians in this Medicare group
Diagnostic Radiology
3630 EAST IMPERIAL HWY
Lynwood, CA 90262
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Specialist
6500 WILSHIRE BLVD FL 15
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
Diagnostic Radiology
1516 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 311 clinicians in this Medicare group
Diagnostic Radiology
12490 BUSINESS CENTER DR STE 200
Victorville, CA 92395
  • Reassigned Medicare billing, California enrollment
  • 71 clinicians in this Medicare group
Vascular-Interventional Technology
16311 VENTURA BLVD STE 120
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
439 services416 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
293 services287 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
281 services207 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
280 services235 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
227 services219 patients
Complete ultrasound scan of abdomen 76700
A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.
218 services216 patients

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.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%559 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
406 9TH AVE
SAN DIEGO, CA 92101

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.