Ronald A. Popper, M.D. F.C.C.P.
NPI 1336162957ActiveIndividual· Internal Medicine, Sleep Medicine· Thousand Oaks, CA
Internal Medicine, Sleep Medicine (M.D. F.C.C.P.) in Thousand Oaks, California, trained at University of Michigan Medical School (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $621,670 for 1,059 claims, against $204,493 paid for services in 2024. Avadel Cns Pharmaceuticals, LLC was the largest of 7 companies reporting payments in 2025, $13,090 in all, mostly speaking and faculty fees.
Overview
| NPI | 1336162957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. F.C.C.P. |
| Sole proprietor | Yes |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Jul 17, 2023 |
| Certified by provider | Jul 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | A35734 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A35734 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Sleep Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 545 |
|---|---|
| Services billed | 1,326 across 10 procedure codes |
| Paid by Medicare | $204,493 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,059 · 1,880 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $621,670 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Sleep Medicine |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Southern California Pulmonary and Sleep Disorders Medical Center Inc.Thousand Oaks, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$13,090 · 30 payments from 7 companies
- 2024$11,305 · 48 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Avadel Cns Pharmaceuticals, LLC | $12,523 | 13 |
| Inspire Medical Systems, Inc. | $262.52 | 4 |
| Axsome Therapeutics, Inc. | $149.51 | 7 |
| Jazz Pharmaceuticals Inc. | $72.59 | 3 |
| Noctrix Health, Inc. | $40.02 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,600 · 2 payments
- Consulting Fee$4,163 · 3 payments
- Food and Beverage$810.66 · 20 payments
- Travel and Lodging$517.14 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records