SHANNON BONNESS M.D.
NPI 1568528990
Anesthesiology in Marina Del Rey, CA
About Shannon Bonness M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON BONNESS M.D. (NPI 1568528990) is an individual anesthesiology provider in Marina Del Rey, California, licensed in California (C55574) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Nebraska College Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Shannon Bonness 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 Reassignments
4Medicare enrollment records show Shannon Bonness reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manhattan Beach, CA 90266
- Reassigned Medicare billing, California enrollment
- 67 clinicians in this Medicare group
Encino, CA 91316
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 99 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 214 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 5
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.
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 Shannon Bonness's NPI number?
The NPI number for Shannon Bonness is 1568528990. It was assigned to this individual provider in the NPPES registry on December 29, 2006. The provider is also known as Mary Shannon Bonness M.D..
Where is Shannon Bonness located?
Shannon Bonness practices at 4108 Del Rey Ave Apt. 511, Marina Del Rey, CA 90292. The listed phone number is (402) 578-8812.
What is Shannon Bonness's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Shannon Bonness enrolled in Medicare?
Yes. Shannon Bonness 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 Shannon Bonness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Bonness reassigns Medicare benefits to 4 organizations: Westside Anesthesia Services (Manhattan Beach, CA), Century Anesthesia Medical Group (Encino, CA), Advanced Anesthesia Specialists A Medical Corporation (West Hills, CA) and Pacific Valley Medical Group (Pasadena, 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 Shannon Bonness'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 Shannon Bonness was last updated on April 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.