DR. EVAN SHANNON MD
NPI 1811378177
Internal Medicine in Santa Monica, CA
About Dr. Evan Shannon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EVAN SHANNON MD (NPI 1811378177) is an individual internal medicine provider in Santa Monica, California, licensed in California (A174141) and active in the NPI registry since June 2015. 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)
Dr. Evan Shannon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Evan Shannon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Monica, CA 90404
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90404 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
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 Evan Shannon's NPI number?
The NPI number for Evan Shannon is 1811378177. It was assigned to this individual provider in the NPPES registry on June 12, 2015.
Where is Evan Shannon located?
Evan Shannon practices at 2211 Michigan Ave, Santa Monica, CA 90404. The listed phone number is (424) 259-8085.
What is Evan Shannon's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Evan Shannon enrolled in Medicare?
Yes. Evan Shannon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Evan Shannon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Evan Shannon reassigns Medicare benefits to Regents University Of California (Santa Monica, 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 Evan Shannon'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 Evan Shannon was last updated on December 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.