Alan Arthur Susa Cantillep, MD
NPI 1639517808ActiveIndividual· Internal Medicine, Nephrology· Fountain Valley, CA
Internal Medicine, Nephrology (MD) in Fountain Valley, California, trained at Michigan State University College of Human Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $515,672 for 3,037 claims, against $330,501 paid for services in 2024. Lilly USA, LLC reported $34.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1639517808 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 11, 2013 |
| Last updated in NPPES | Jan 16, 2026 |
| Certified by provider | Jan 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A125649 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 846 |
|---|---|
| Services billed | 5,981 across 22 procedure codes |
| Paid by Medicare | $330,501 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,037 · 7,402 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $515,672 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Davita Bristol DialysisDialysis facility · Santa Ana, CA
- Davita Fountain Valley DialysisDialysis facility · Fountain Valley, CA
- Davita Tustin Ranch DialysisDialysis facility · Tustin, CA
- Fmc-Rai-Fountain Valley HomeDialysis facility · Fountain Valley, CA
- Fresenius Medical Care Santa Ana DialysisDialysis facility · Santa Ana, CA
Industry payments (Open Payments)
- 2025$34.16 · 1 payment from 1 company
- 2024$52.16 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $34.16 | 1 |
What the 2025 payments were for
- Food and Beverage$34.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 nephrologists in Fountain Valley · All nephrologists in California