David Wallis, MD
NPI 1255383139ActiveIndividual· Internal Medicine· Redondo Beach, CA
Internal Medicine (MD) in Redondo Beach, California, trained at University of California, San Diego School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $287,416 for 2,752 claims, against $114,173 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $194.89 in all, mostly food and beverage.
Overview
| NPI | 1255383139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Oct 9, 2024 |
| Certified by provider | Oct 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A77627 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 1,982 across 70 procedure codes |
| Paid by Medicare | $114,173 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,752 · 6,179 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $287,416 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Sports Medicine |
| Telehealth | Offers telehealth |
Medical group
- David Wallis Medical CorporationRedondo Beach, CA · 2 clinicians
Hospital affiliations
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Torrance Memorial Medical CenterTorrance, CA
Other facilities
- Nova Med Home HealthHome health agency · Montrose, CA
Industry payments (Open Payments)
- 2025$194.89 · 4 payments from 3 companies
- 2024$344.54 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $124.98 | 1 |
| Exact Sciences Corporation | $49.90 | 2 |
| Cleerly, Inc. | $20.01 | 1 |
What the 2025 payments were for
- Food and Beverage$194.89 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Redondo Beach · All internal medicine physicians in California