Quick answers
- Does Shannon M. Bonness accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon M. Bonness accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Shannon M. Bonness see?
- In 2024, CMS data shows 399 Original Medicare patients and 407 services for Shannon M. Bonness. This counts Original Medicare only and measures volume, not quality.
- What is Shannon M. Bonness's NPI number?
- 1568528990. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Shannon M. Bonness, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 399 |
|---|---|
| Services billed to Medicare | 407 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for exam of colon using an endoscope (00812)108 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)98 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)91 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)59 services
- Anesthesia for other procedure on urinary system through urethra (00910)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure71%
- Arthritis54%
- Ischemic heart disease37%
- Diabetes26%
- Osteoporosis21%
Practice locations
Addresses where Shannon M. Bonness is enrolled with Medicare (CMS data updated October 2, 2026).
- 3711 Long Beach Blvd, Suite 101aLong Beach, CA 90807 (562) 268‑5946
- 400 S Sepulveda Blvd, Suite 200Manhattan Beach, CA 90266 (310) 546‑3461
- 5353 Balboa Blvd, Suite 300Encino, CA 91316 (818) 946‑7800
Group practices
Medicare enrollment lists Shannon M. Bonness as a member of these groups (CMS data updated October 2, 2026).
- Westside Anesthesia Services3 clinicians in the group
- Century Anesthesia Medical Group2 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Long Beach
Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.
Other clinicians in Westside Anesthesia Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568528990 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians