Quick answers
- Which hospitals does Helena Grace work at?
- Medicare's official clinician data lists Helena Grace at 2 hospitals: Community Memorial Hospital - Ventura and St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helena Grace see patients?
- Medicare's clinician data lists 4 practice locations, including Ventura, CA. Call before your visit to confirm the address.
- What is Helena Grace's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Helena Grace accept Medicare assignment?
- Yes. Medicare's clinician data says Helena Grace 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.
- What is the phone number for Helena Grace?
- (805) 648-3902, as listed in official Medicare / NPI Registry data.
- What is Helena Grace's NPI number?
- 1639115835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helena Grace works
Medicare's Facility Affiliation Data lists Helena Grace at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial Hospital - VenturaVentura, CA · Acute Care Hospital · CCN 050394
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
Practice locations
Addresses where Helena Grace is enrolled with Medicare (CMS data updated 2026-10-02).
- 250 S Mills Rd, Suite 100Ventura, CA 93003 (805) 648‑3902
- 3960 Monroe StVentura, CA 93003
- 4949 Market StVentura, CA 93003 (877) 608‑0044
- 888 S Hill RdVentura, CA 93003 (805) 477‑6400
Group practices
Medicare enrollment lists Helena Grace as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Ross Burge DO a Professional Corporation3 clinicians in the group
- Stephan Sweet MD Inc3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639115835 |
| 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