Katherine Kim, MD
NPI 1184087736ActiveIndividual· Internal Medicine, Gastroenterology· Whittier, CA
Internal Medicine, Gastroenterology (MD) in Whittier, California, trained at University of California, Irvine, California College of Medicine (class of 2016). Mostly services rather than prescriptions: Medicare paid $65,542 for 261 patients in 2024, with only 18 Part D claims. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $1,144 in all, mostly food and beverage.
Overview
| NPI | 1184087736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2016 |
| Last updated in NPPES | Sep 24, 2022 |
| Certified by provider | Sep 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A156267 | 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 | 261 |
|---|---|
| Services billed | 635 across 32 procedure codes |
| Paid by Medicare | $65,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Total drug cost | $1,097 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
Hospital affiliation
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$1,144 · 46 payments from 9 companies
- 2024$537.87 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $420.10 | 15 |
| Janssen Biotech, Inc. | $246.60 | 7 |
| Genzyme Corporation | $205.81 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $137.39 | 14 |
| Novo Nordisk Inc | $36.04 | 2 |
What the 2025 payments were for
- Food and Beverage$1,144 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 gastroenterologists in Whittier · All gastroenterologists in California