Jonathan Douglas Weaver, MD
NPI 1851318331ActiveIndividual· Internal Medicine· Santa Monica, CA
Internal Medicine (MD) in Santa Monica, California, trained at University of California, Geffen School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,210,510 for 7,215 claims, against $171,852 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $919.25 in all, mostly food and beverage.
Overview
| NPI | 1851318331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Nov 13, 2025 |
| Certified by provider | Nov 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A81411 | 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 | 449 |
|---|---|
| Services billed | 6,757 across 73 procedure codes |
| Paid by Medicare | $171,852 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,215 · 13,502 30-day fills |
|---|---|
| Patients | 477 |
| Total drug cost | $1,210,510 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Westside Internal MedicineSanta Monica, CA · 8 clinicians
Hospital affiliations
- Eisenhower Medical CenterRancho Mirage, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Saint John's Health CenterSanta Monica, CA
Other facilities
- Calipso Home Health Care IncHome health agency · Northridge, CA
- Providence Home Health la County SouthHome health agency · Torrance, CA
- Roze Room HospiceHospice · Culver City, CA
- Vitas Healthcare Corporation of CaliforniaHospice · Encino, CA
Industry payments (Open Payments)
- 2025$919.25 · 42 payments from 15 companies
- 2024$258.99 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $186.28 | 10 |
| Lilly USA, LLC | $122.84 | 5 |
| Bausch Health US, LLC | $93.96 | 4 |
| Sumitomo Pharma America, Inc. | $84.97 | 3 |
| Abbvie Inc. | $83.80 | 4 |
What the 2025 payments were for
- Food and Beverage$919.25 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 197 internal medicine physicians in Santa Monica · All internal medicine physicians in California