Quick answers
- Where does Mark E. Harlacher see patients?
- Medicare's clinician data lists 2 practice locations, including Oxnard, CA and Camarillo, CA. Call before your visit to confirm the address.
- What is Mark E. Harlacher's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mark E. Harlacher accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Harlacher 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 Mark E. Harlacher?
- (805) 988-2500, as listed in official Medicare / NPI Registry data.
- What is Mark E. Harlacher's NPI number?
- 1457360638. 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 Mark E. Harlacher is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 N Rose AveOxnard, CA 93030 (805) 988‑2500
- 2309 Antonio AveCamarillo, CA 93010 (805) 389‑5800
Group practices
Medicare enrollment lists Mark E. Harlacher as a member of this group (CMS data updated 2026-10-02).
- Palm Springs Anesthesia Services PC92 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Oxnard
Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457360638 |
| 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