DR. JOHN WILLIAM WALTON MD
NPI 1417156829
Radiology - Diagnostic Radiology in Oakland, CA

Active since July 16, 2007PECOS EnrolledAccepts Medicare Assignment
275 W MACARTHUR BLVD, OAKLAND, CA 94611(510) 752-1000 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. John William Walton Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN WILLIAM WALTON MD (NPI 1417156829) is an individual diagnostic radiology provider in Oakland, California, licensed in California (A103409) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2006).

NPPES Registry Identity

NPI1417156829
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JOHN WILLIAM WALTONCredential: MD
Location Address275 W MACARTHUR BLVDOakland, CA 94611-5641
Mailing Address275 W Macarthur BlvdOakland, CA 94611-5641 · (510) 752-1000
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2006
Enumeration DateJuly 16, 2007
Last NPPES UpdateDecember 15, 2021
✔ NPI 1417156829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A103409
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
275 W MACARTHUR BLVD, Oakland, CA 94611

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

Dr. John William Walton Md 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 ID2466630322
PECOS Enrollment IDI20110623000176
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 Reassignment

Medicare enrollment records show John Walton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 5

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.
42 services40 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.
33 services32 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
15 services15 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.
14 services14 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94611 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 20

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

Specialist
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Radiation Oncology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Diagnostic Radiology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Physical Therapist (Orthopedic)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Obstetrics & Gynecology
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Hospitalist
275 W MACARTHUR BLVD
OAKLAND, CA 94611

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 John Walton's NPI number?

The NPI number for John Walton is 1417156829. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is John Walton located?

John Walton practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (510) 752-1000.

What is John Walton's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is John Walton enrolled in Medicare?

Yes. John Walton 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 organization bills Medicare for John Walton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Walton reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). The 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 John Walton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Walton was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.