Ashley Rochele Castelhano, PA-C
Physician Assistant · Vista, CA
At a glance
910 Sycamore Ave Ste 270, Vista, CA 92081-7852
NPPES record updated Oct 6, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
910 Sycamore Ave Ste 270Vista, CA 92081-7852
Additional reported practice locations
4510 Executive Dr Ste 215San Diego, CA 921213023
Phone: 8009268273
Fax: 8885398781 1505 Encinitas Blvd
Encinitas, CA 920242933
Phone: 8009268273
Fax: 8885398781 16950 Via Tazon
San Diego, CA 921271607
Phone: 8009268273
Fax: 8885398781 2295 Otay Lakes Rd Ste 110
Chula Vista, CA 919151160
Phone: 8009268273
Fax: 8885398781 203 W F St
San Diego, CA 921016016
Phone: 8009268273
Fax: 8885398781 6030 Village Way Ste 200
San Diego, CA 921302973
Phone: 8009268273
Fax: 8885398781
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2013
- CMS specialties
- Physician Assistant
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Uc San Diego Health Hillcrest - Hillcrest Med Ctr San Diego, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Physician Assistant
- Taxonomy code
- 363A00000X
- Enumeration date
- Mar 11, 2013
- Record updated
- Oct 6, 2025
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- ASHLEY ROCHELE BRENNAN
- Reported credentials
- PA-C
Reported taxonomies and licenses
363A00000X · Primary
License reported: PA23243 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
910 Sycamore Ave Ste 270Vista, CA 92081-7852
- Phone
- (800) 926-8273
- Fax
- (888) 539-8781
Mailing address
FILE 57326LOS ANGELES, CA 900747326
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue