Quick answers
- Does Shannon Rasmussen accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon Rasmussen 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 Rasmussen see?
- In 2024, CMS data shows 344 Original Medicare patients and 1,400 services for Shannon Rasmussen. This counts Original Medicare only and measures volume, not quality.
- What is Shannon Rasmussen's NPI number?
- 1134748080. 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 Rasmussen, 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 | 344 |
|---|---|
| Services billed to Medicare | 1,400 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)353 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)311 services
- Biopsy of related skin growth, first growth (11102)129 services
- Destruction of precancer skin growth, 1 growth (17000)129 services
- Destruction of skin growth, 1-14 growths (17110)78 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 cholesterol65%
- High blood pressure64%
- Arthritis46%
- Diabetes22%
- Depression22%
- Chronic kidney disease21%
Practice locations
Addresses where Shannon Rasmussen is enrolled with Medicare (CMS data updated October 2, 2026).
- 210 S Grand Ave, Suite 208Glendora, CA 91741 (626) 914‑3675
- 2621 S Bristol St, Suite 309Santa Ana, CA 92704 (714) 617‑5144
- 8345 Firestone Blvd, Suite 310Downey, CA 90241 (562) 923‑3001
Group practices
Medicare enrollment lists Shannon Rasmussen as a member of this group (CMS data updated October 2, 2026).
- Island Dermatology, Inc.27 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Glendora
Clinicians with the same Medicare primary specialty in Glendora, CA — not a recommendation.
Other clinicians in Island Dermatology, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134748080 |
| 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