Woong Ray Kim, M.D.
NPI 1114999570ActiveIndividual· Internal Medicine, Gastroenterology· Scottsdale, AZ
Internal Medicine, Gastroenterology (M.D.) with Mayo Clinic Arizona, practicing in Scottsdale, Arizona. Their prescriptions cost Medicare Part D more than their services did: $37,996 for 144 claims, against $6,060 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $22,721 in all, mostly consulting fees. Lists Mayo Clinic Hospital as a hospital affiliation.
Overview
| NPI | 1114999570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Oct 20, 2024 |
| Certified by provider | Oct 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 70565 | AZ |
| Internal Medicine, Gastroenterology | 207RG0100X | 37410 | MN |
| Internal Medicine, Gastroenterology | 207RG0100X | C131598 | 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 - Gastroenterology (AZ); Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 64 across 6 procedure codes |
| Paid by Medicare | $6,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 144 · 177 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $37,996 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2025$22,721 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $22,671 | 5 |
| Gilead Sciences, Inc. | $50.00 | 1 |
What the 2025 payments were for
- Consulting Fee$21,779 · 2 payments
- Travel and Lodging$741.75 · 2 payments
- Food and Beverage$200.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 136 gastroenterologists in Scottsdale · All gastroenterologists in Arizona