Quick answers
- Where does Stephanus R. Philip see patients?
- Medicare's clinician data lists 1 practice location in Oxnard, CA. Call before your visit to confirm the address.
- What is Stephanus R. Philip's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does Stephanus R. Philip accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanus R. Philip 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 Stephanus R. Philip?
- (805) 988-2500, as listed in official Medicare / NPI Registry data.
- What is Stephanus R. Philip's NPI number?
- 1043255797. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephanus R. Philip is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 N Rose AveOxnard, CA 93030 (805) 988‑2500
Group practices
Medicare enrollment lists Stephanus R. Philip as a member of this group (CMS data updated 2026-10-02).
- Inpatient Specialists of California PC385 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Oxnard
Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043255797 |
| 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 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