JOHN KENO RIVERA
NPI 1639854516
Family Medicine in Pontiac, MI
About John Keno Rivera NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KENO RIVERA (NPI 1639854516) is an individual family medicine provider in Pontiac, Michigan, licensed in Michigan (4351050735) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS.
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 (PECOS)
John Keno Rivera is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Rivera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 81 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48342 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.
PONTIAC, MI 48342
PONTIAC, MI 48342
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 Rivera's NPI number?
The NPI number for John Rivera is 1639854516. It was assigned to this individual provider in the NPPES registry on June 19, 2023.
Where is John Rivera located?
John Rivera practices at 50 N Perry St, Pontiac, MI 48342. The listed phone number is (248) 338-5392.
What is John Rivera's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Rivera enrolled in Medicare?
Yes. John Rivera is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Rivera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Rivera reassigns Medicare benefits to Newburyport Emergency Physicians, PLLC (Newburyport, MA). 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 Rivera'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 Rivera was last updated on June 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.