ALEXANDER JOHN BALL MD
NPI 1134623614
Pediatrics in Palo Alto, CA
About Alexander John Ball Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER JOHN BALL MD (NPI 1134623614) is an individual pediatrics provider in Palo Alto, California, licensed in California (A164871) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexander John Ball Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexander Ball reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 94301 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.
PALO ALTO, CA 94301
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 Alexander Ball's NPI number?
The NPI number for Alexander Ball is 1134623614. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Alexander Ball located?
Alexander Ball practices at 795 El Camino Real, Palo Alto, CA 94301. The listed phone number is (650) 853-2992.
What is Alexander Ball's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Alexander Ball enrolled in Medicare?
Yes. Alexander Ball is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexander Ball's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ball reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, 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 Alexander Ball'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 Alexander Ball was last updated on July 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.