Seper Dezfoli, M.D.
NPI 1104159383ActiveIndividual· Internal Medicine, Gastroenterology· Long Beach, CA
Internal Medicine, Gastroenterology (M.D.) in Long Beach, California, trained at Pennsylvania State University College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $535,508 for 588 claims, against $52,915 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $34,305 in all, mostly speaking and faculty fees.
Overview
| NPI | 1104159383 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 7, 2009 |
| Last updated in NPPES | Mar 9, 2026 |
| Certified by provider | Mar 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A113069 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 036169574 | IL |
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 - Gastroenterology (CA); Practitioner - Gastroenterology (IL); Practitioner - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 593 across 43 procedure codes |
| Paid by Medicare | $52,915 |
Part D prescriptions in 2024
| Prescriptions (claims) | 588 · 758 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $535,508 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Hospitalist, Internal Medicine |
Medical groups
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
- Holland Community HospitalGrand Haven, MI · 178 clinicians
Hospital affiliations
- Holland HospitalHolland, MI
- Providence St Joseph HospitalEureka, CA
- St Mary Medical CenterLong Beach, CA
Industry payments (Open Payments)
- 2025$34,305 · 136 payments from 8 companies
- 2024$32,999 · 100 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $21,933 | 38 |
| Lucid Diagnostics Inc. | $10,053 | 16 |
| Madrigal Pharmaceuticals | $668.11 | 15 |
| Abbvie Inc. | $475.04 | 19 |
| Janssen Biotech, Inc. | $348.28 | 8 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$25,780 · 23 payments
- Consulting Fee$3,900 · 3 payments
- Food and Beverage$3,760 · 102 payments
- Travel and Lodging$781.46 · 7 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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