Quick answers
- Which hospitals does Jonathan J. Chan work at?
- Medicare's official clinician data lists Jonathan J. Chan at 4 hospitals: Los Robles Hospital & Medical Center, Ronald Reagan UCLA Medical Center, Santa Monica - UCLA Med Ctr & Orthopaedic Hospital and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan J. Chan see patients?
- Medicare's clinician data lists 7 practice locations, including Thousand Oaks, CA, Encino, CA and Porter Ranch, CA. Call before your visit to confirm the address.
- What is Jonathan J. Chan's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Jonathan J. Chan accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan J. Chan 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 Jonathan J. Chan offer telehealth?
- Medicare's clinician data says Jonathan J. Chan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan J. Chan?
- (805) 418-3500, as listed in official Medicare / NPI Registry data.
- What is Jonathan J. Chan's NPI number?
- 1982016929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan J. Chan works
Medicare's Facility Affiliation Data lists Jonathan J. Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · CCN 050549
- 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
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Jonathan J. Chan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
- 15503 Ventura BlvdEncino, CA 91436 (818) 461‑8148
- 19950 Rinaldi StPorter Ranch, CA 91326
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
- 215 W Janss RdThousand Oaks, CA 91360 (805) 497‑2727
Group practices
Medicare enrollment lists Jonathan J. Chan as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
Other pulmonologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982016929 |
| 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