Quick answers
- Where does Ronald A. Popper see patients?
- Medicare's clinician data lists 1 practice location in Thousand Oaks, CA. Call before your visit to confirm the address.
- What is Ronald A. Popper's specialty?
- Medicare lists Sleep Medicine as the primary specialty, and also Internal Medicine and Pulmonary Disease.
- Does Ronald A. Popper accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald A. Popper 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 Ronald A. Popper offer telehealth?
- Medicare's clinician data says Ronald A. Popper offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Ronald A. Popper's NPI number?
- 1336162957. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ronald A. Popper is enrolled with Medicare (CMS data updated 2026-10-02).
- 317 S Moorpark RdThousand Oaks, CA 91361
Group practices
Medicare enrollment lists Ronald A. Popper as a member of this group (CMS data updated 2026-10-02).
- Southern California Pulmonary and Sleep Disorders Medical Center Inc.2 clinicians in the group
Specialties
- Sleep Medicineprimary
- Internal Medicinealso
- Pulmonary Diseasealso
Other sleep medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336162957 |
| 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
- 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