Quick answers
- Which hospitals does Michael R. Arnstein work at?
- Medicare's official clinician data lists Michael R. Arnstein at 4 hospitals: Memorialcare Long Beach Medical Center, Providence Little Company of Mary Medical Center Torrance, Torrance Memorial Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael R. Arnstein see patients?
- Medicare's clinician data lists 4 practice locations, including North Hollywood, CA, Huntington Beach, CA and Mission Viejo, CA. Call before your visit to confirm the address.
- What is Michael R. Arnstein's specialty?
- Medicare lists Plastic and Reconstructive Surgery as the primary specialty, and also Hand Surgery.
- Does Michael R. Arnstein accept Medicare assignment?
- Yes. Medicare's clinician data says Michael R. Arnstein 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.
- Does Michael R. Arnstein offer telehealth?
- Medicare's clinician data says Michael R. Arnstein offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael R. Arnstein?
- (818) 339-5056, as listed in official Medicare / NPI Registry data.
- What is Michael R. Arnstein's NPI number?
- 1821000100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael R. Arnstein works
Medicare's Facility Affiliation Data lists Michael R. Arnstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Michael R. Arnstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 13363 Saticoy St, Suite 106bNorth Hollywood, CA 91605 (818) 339‑5056
- 17822 Beach Blvd, Suite 427Huntington Beach, CA 92647 (714) 842‑7796
- 27725 Santa Margarita Pkwy, Suite 110Mission Viejo, CA 92691 (949) 581‑1588
- 3801 Katella Ave, Suite 425Los Alamitos, CA 90720 (562) 598‑8593
Group practices
Medicare enrollment lists Michael R. Arnstein as a member of these groups (CMS data updated 2026-10-02).
- Alamitos Dermatological Medical Clinic a Professional Corp5 clinicians in the group
- Medlink Mobile3 clinicians in the group
Specialties
Find other Plastic and Reconstructive Surgery doctors in California →
Other plastic surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821000100 |
| 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