Quick answers
- Which hospitals does Errill C. Avecilla work at?
- Medicare's official clinician data lists Errill C. Avecilla at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Errill C. Avecilla see patients?
- Medicare's clinician data lists 3 practice locations, including Stanford, CA and Redwood City, CA. Call before your visit to confirm the address.
- What is Errill C. Avecilla's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Errill C. Avecilla accept Medicare assignment?
- Yes. Medicare's clinician data says Errill C. Avecilla accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Errill C. Avecilla offer telehealth?
- Medicare's clinician data says Errill C. Avecilla offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Errill C. Avecilla?
- (650) 723-4000, as listed in official Medicare / NPI Registry data.
- What is Errill C. Avecilla's NPI number?
- 1598938284. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Errill C. Avecilla works
Medicare's Facility Affiliation Data lists Errill C. Avecilla at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Errill C. Avecilla is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
- 420 Broadway StRedwood City, CA 94063 (650) 723‑4000
- 450 Broadway StRedwood City, CA 94063 (650) 723‑4000
Group practices
Medicare enrollment lists Errill C. Avecilla as a member of this group (CMS data updated 2026-10-02).
- Stanford Health Care3,122 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stanford
Clinicians with the same Medicare primary specialty in Stanford, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598938284 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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