Susan Mansourian, MD
NPI 1538680707ActiveIndividual· Internal Medicine, Rheumatology· Santa Barbara, CA
Internal Medicine, Rheumatology (MD) with Amicus Arthritis and Osteoporosis Center Inc, practicing in Santa Barbara, California. Their prescriptions cost Medicare Part D more than their services did: $623,757 for 1,476 claims, against $145,238 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $513.19 in all, mostly food and beverage. Lists Pih Health Hospital-Whittier as a hospital affiliation.
Overview
| NPI | 1538680707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2017 |
| Last updated in NPPES | Oct 10, 2022 |
| Certified by provider | Oct 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 53722 | KY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 135 |
|---|---|
| Services billed | 9,551 across 30 procedure codes |
| Paid by Medicare | $145,238 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,476 · 2,986 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $623,757 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Amicus Arthritis and Osteoporosis Center IncWhittier, CA · 4 clinicians
Hospital affiliation
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$513.19 · 20 payments from 7 companies
- 2024$512.75 · 18 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $124.05 | 6 |
| Novartis Pharmaceuticals Corporation | $107.14 | 4 |
| Glaxosmithkline, LLC. | $105.27 | 5 |
| Janssen Biotech, Inc. | $79.99 | 1 |
| Abbvie Inc. | $37.15 | 2 |
What the 2025 payments were for
- Food and Beverage$433.20 · 19 payments
- Education$79.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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