DR. JOHN MICHAEL WEBB M.D.
NPI 1255535647
Radiology - Nuclear Radiology in Sacramento, CA
About Dr. John Michael Webb M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL WEBB M.D. (NPI 1255535647) is an individual nuclear radiology provider in Sacramento, California, licensed in California (A100404) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
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 Michael Webb 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 Reassignment
Medicare enrollment records show John Webb reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- 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 7
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.
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.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Webb's NPI number?
The NPI number for John Webb is 1255535647. It was assigned to this individual provider in the NPPES registry on June 12, 2007.
Where is John Webb located?
John Webb practices at 4860 Y St Dept. Of Radiology, Suite 3100, Sacramento, CA 95817. The listed phone number is (916) 703-2273.
What is John Webb's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.
Is John Webb enrolled in Medicare?
Yes. John Webb 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 Webb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Webb reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Webb'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 Webb was last updated on February 11, 2022. 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.