Quick answers
- Which hospitals does Matthew D. Hartman work at?
- Medicare's official clinician data lists Matthew D. Hartman at 1 hospital: Los Angeles General Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew D. Hartman see patients?
- Medicare's clinician data lists 2 practice locations, including Thousand Oaks, CA. Call before your visit to confirm the address.
- What is Matthew D. Hartman's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Matthew D. Hartman accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew D. Hartman 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 Matthew D. Hartman?
- (805) 796-7755, as listed in official Medicare / NPI Registry data.
- What is Matthew D. Hartman's NPI number?
- 1205463171. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew D. Hartman works
Medicare's Facility Affiliation Data lists Matthew D. Hartman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Los Angeles General Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050373
Practice locations
Addresses where Matthew D. Hartman is enrolled with Medicare (CMS data updated 2026-10-02).
- 2180 Lynn RdThousand Oaks, CA 91360 (805) 796‑7755
- 227 W Janss Rd, Suite 150Thousand Oaks, CA 91360 (805) 496‑7755
Group practices
Medicare enrollment lists Matthew D. Hartman as a member of this group (CMS data updated 2026-10-02).
- Thousand Oaks Diagnostic Imaging Center11 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205463171 |
| 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