Quick answers
- Does Sally De Castro Tilsen accept Medicare assignment?
- Yes. Medicare's clinician data says Sally De Castro Tilsen 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 Sally De Castro Tilsen see?
- In 2024, CMS data shows 204 Original Medicare patients and 37,254 services for Sally De Castro Tilsen. This counts Original Medicare only and measures volume, not quality.
- What is Sally De Castro Tilsen's NPI number?
- 1023282019. 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 Sally De Castro Tilsen, 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 | 204 |
|---|---|
| Services billed to Medicare | 37,254 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)36,845 services
- Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face (64615)184 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)146 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)79 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%
- Arthritis55%
- High blood pressure52%
- Anxiety34%
- Osteoporosis30%
- Depression28%
Practice locations
Addresses where Sally De Castro Tilsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 Superior Ave, Suite 200Newport Beach, CA 92663 (949) 662‑6661
Group practices
Medicare enrollment lists Sally De Castro Tilsen as a member of this group (CMS data updated October 2, 2026).
- C Philip O Carroll M D Inc2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Other clinicians in C Philip O Carroll M D Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023282019 |
| 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