JOHN DOWNEY M.D.
NPI 1568693588
Radiology - Diagnostic Radiology in Oakland, CA
About John Downey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DOWNEY M.D. (NPI 1568693588) is an individual diagnostic radiology provider in Oakland, California, licensed in California (A113314) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2009).
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
John Downey 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 Downey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 3
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 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.
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.
OAKLAND, CA 94611
OAKLAND, CA 94611
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 Downey's NPI number?
The NPI number for John Downey is 1568693588. It was assigned to this individual provider in the NPPES registry on August 7, 2009.
Where is John Downey located?
John Downey practices at 3600 Broadway, Oakland, CA 94611. The listed phone number is (510) 752-1000.
What is John Downey's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Downey enrolled in Medicare?
Yes. John Downey 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 Downey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Downey 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 Downey'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 Downey was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# John Downey, M.D. · NPI 1568693588
Diagnostic Radiology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since August 7, 2009.
## Identity
- **NPI:** 1568693588 (Entity type: Individual)
- **Enumerated:** August 7, 2009
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A113314 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 BROADWAY, Oakland, CA 94611-5730
- **Phone:** (510) 752-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1235226531, Richmond, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** April 23, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1568693588) · Data from the CMS NPPES public registry.