Quick answers
- Which hospitals does Helmuth T. Billy work at?
- Medicare's official clinician data lists Helmuth T. Billy at 3 hospitals: Community Memorial Hospital - Ojai, 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 Helmuth T. Billy see patients?
- Medicare's clinician data lists 1 practice location in Ventura, CA. Call before your visit to confirm the address.
- What is Helmuth T. Billy's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Helmuth T. Billy accept Medicare assignment?
- Medicare's clinician data says Helmuth T. Billy may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Helmuth T. Billy offer telehealth?
- Medicare's clinician data says Helmuth T. Billy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Helmuth T. Billy?
- (805) 676-9100, as listed in official Medicare / NPI Registry data.
- What is Helmuth T. Billy's NPI number?
- 1447317664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helmuth T. Billy works
Medicare's Facility Affiliation Data lists Helmuth T. Billy 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 - OjaiOjai, CA · Critical Access Hospital · CCN 051334
- 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 Helmuth T. Billy is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Telegraph RdVentura, CA 93003 (805) 676‑9100
Group practices
Medicare enrollment lists Helmuth T. Billy as a member of this group (CMS data updated 2026-10-02).
- Ventura Advanced Surgical Associates2 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447317664 |
| 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