Quick answers
- Which hospitals does Calvin J. Duffaut work at?
- Medicare's official clinician data lists Calvin J. Duffaut at 2 hospitals: Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Medical Center & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin J. Duffaut see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Monica, CA. Call before your visit to confirm the address.
- What is Calvin J. Duffaut's specialty?
- Medicare lists Pediatric Medicine as the primary specialty, and also Sports Medicine.
- Does Calvin J. Duffaut accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin J. Duffaut 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 Calvin J. Duffaut offer telehealth?
- Medicare's clinician data says Calvin J. Duffaut offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Calvin J. Duffaut?
- (424) 259-8360, as listed in official Medicare / NPI Registry data.
- What is Calvin J. Duffaut's NPI number?
- 1497056154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin J. Duffaut works
Medicare's Facility Affiliation Data lists Calvin J. Duffaut 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 Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · CCN 050112
Practice locations
Addresses where Calvin J. Duffaut is enrolled with Medicare (CMS data updated 2026-10-02).
- 1250 16th StSanta Monica, CA 90404 (424) 259‑8360
- 1920 Colorado AveSanta Monica, CA 90404 (310) 319‑4700
Group practices
Medicare enrollment lists Calvin J. Duffaut as a member of these groups (CMS data updated 2026-10-02).
- Regents of the University of California70 clinicians in the group
- UC Regents35 clinicians in the group
Specialties
- Pediatric Medicineprimary
- Sports Medicinealso
Other pediatricians in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497056154 |
| 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