Jenny Sauk
NPI 1376703280ActiveIndividual· Internal Medicine, Gastroenterology· Los Angeles, CA
Internal Medicine, Gastroenterology in Los Angeles, California, trained at University of Chicago, Pritzker School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $4,683,260 for 844 claims, against $35,326 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $44,696 in all, mostly speaking and faculty fees.
Overview
| NPI | 1376703280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 13, 2008 |
| Last updated in NPPES | Jun 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | C144429 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 241821 | NY |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 123 |
|---|---|
| Services billed | 325 across 21 procedure codes |
| Paid by Medicare | $35,326 |
Part D prescriptions in 2024
| Prescriptions (claims) | 844 · 1,455 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $4,683,260 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$44,696 · 41 payments from 4 companies
- 2024$18,580 · 15 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $21,440 | 15 |
| Celltrion USA Inc. | $19,522 | 20 |
| Genentech USA, Inc. | $3,584 | 5 |
| Celltrion, Inc. | $150.00 | 1 |
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$20,700 · 9 payments
- Honoraria$15,314 · 3 payments
- Consulting Fee$5,734 · 2 payments
- Food and Beverage$1,484 · 22 payments
- Travel and Lodging$1,465 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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