Michael Kam-Hong Kwok, M.D.
NPI 1124119235ActiveIndividual· Internal Medicine· Novato, CA
Internal Medicine (M.D.) in Novato, California, trained at University of California, Geffen School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $174,921 for 2,284 claims, against $36,672 paid for services in 2024. Heartflow, Inc. was the largest of 5 companies reporting payments in 2025, $327.74 in all, mostly food and beverage.
Overview
| NPI | 1124119235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | Oct 23, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G069555 | 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 | 106 |
|---|---|
| Services billed | 362 across 29 procedure codes |
| Paid by Medicare | $36,672 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,284 · 4,810 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $174,921 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
Other facilities
- Amedisys Home Health CareHome health agency · Burlingame, CA
- Sutter Care at HomeHome health agency · Novato, CA
- By the Bay HealthHospice · Larkspur, CA
Industry payments (Open Payments)
- 2025$327.74 · 7 payments from 5 companies
- 2024$406.38 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $221.83 | 2 |
| Novo Nordisk Inc | $46.14 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $21.58 | 1 |
| Amgen Inc. | $21.45 | 1 |
| Lilly USA, LLC | $16.74 | 1 |
What the 2025 payments were for
- Food and Beverage$327.74 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 internal medicine physicians in Novato · All internal medicine physicians in California