SHAUN CHO MD
NPI 1689604241
Internal Medicine - Clinical Cardiac Electrophysiology in Palo Alto, CA
About Shaun Cho Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAUN CHO MD (NPI 1689604241) is an individual clinical cardiac electrophysiology provider in Palo Alto, California, licensed in California (A68634) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Js Weill Medical College, Cornell University (1991).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Shaun Cho 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.
Medicare Billing Reassignments
3Medicare enrollment records show Shaun Cho reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 57 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 25
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 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 6
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 Shaun Cho's NPI number?
The NPI number for Shaun Cho is 1689604241. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Shaun Cho located?
Shaun Cho practices at 87 Encina Ave, Palo Alto, CA 94301. The listed phone number is (650) 853-2975.
What is Shaun Cho's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Shaun Cho enrolled in Medicare?
Yes. Shaun Cho 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 organizations bill Medicare for Shaun Cho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaun Cho reassigns Medicare benefits to 3 organizations: Sutter Bay Medical Foundation (Palo Alto, CA), Stanford Health Care (Stanford, CA) and Physician Services At El Camino Hospital (Mountain View, CA). Each 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 Shaun Cho'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 Shaun Cho was last updated on May 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.