Richard Greenspun, MD
NPI 1417984600ActiveIndividual· Internal Medicine· Santa Monica, CA
Internal Medicine (MD) in Santa Monica, California, trained at Georgetown University School of Medicine (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $313,845 for 3,325 claims, against $51,087 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $173.90 in all, mostly food and beverage.
Overview
| NPI | 1417984600 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Nov 21, 2022 |
| Certified by provider | Nov 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G25213 | 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 | 170 |
|---|---|
| Services billed | 1,214 across 49 procedure codes |
| Paid by Medicare | $51,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,325 · 7,786 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $313,845 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Saint Johns Medical FoundationSanta Monica, CA · 281 clinicians
Industry payments (Open Payments)
- 2025$173.90 · 8 payments from 6 companies
- 2024$96.59 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $48.47 | 2 |
| Novo Nordisk Inc | $39.19 | 2 |
| Bausch Health US, LLC | $22.90 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.05 | 1 |
| Sumitomo Pharma America, Inc. | $20.67 | 1 |
What the 2025 payments were for
- Food and Beverage$173.90 · 8 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