Quick answers
- Which hospitals does David J. Wallenstein work at?
- Medicare's official clinician data lists David J. Wallenstein at 2 hospitals: Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Med Ctr & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David J. Wallenstein see patients?
- Medicare's clinician data lists 1 practice location in Santa Monica, CA. Call before your visit to confirm the address.
- What is David J. Wallenstein's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does David J. Wallenstein accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Wallenstein 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 David J. Wallenstein offer telehealth?
- Medicare's clinician data says David J. Wallenstein offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David J. Wallenstein?
- (310) 319-4700, as listed in official Medicare / NPI Registry data.
- What is David J. Wallenstein's NPI number?
- 1962417386. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David J. Wallenstein works
Medicare's Facility Affiliation Data lists David J. Wallenstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · CCN 050112
Practice locations
Addresses where David J. Wallenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1920 Colorado AveSanta Monica, CA 90404 (310) 319‑4700
Group practices
Medicare enrollment lists David J. Wallenstein as a member of this group (CMS data updated 2026-10-02).
- UC Regents35 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962417386 |
| 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