Ronald S. Kwok, M.D.
NPI 1417062894ActiveIndividual· Internal Medicine· El Cajon, CA
Internal Medicine (M.D.) with Sharp Rees-Stealy Medical Group Inc, practicing in El Cajon, California. Their prescriptions cost Medicare Part D more than their services did: $639,306 for 6,268 claims, against $33,437 paid for services in 2024. Abbott Laboratories reported $152.08 in payments in 2025, mostly food and beverage. Lists Grossmont Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417062894 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A62690 | 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 | 175 |
|---|---|
| Services billed | 898 across 19 procedure codes |
| Paid by Medicare | $33,437 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,268 · 15,947 30-day fills |
|---|---|
| Patients | 817 |
| Total drug cost | $639,306 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Memorial HospitalSan Diego, CA
Other facilities
- Mission Home Health of San Diego LLCHome health agency · San Diego, CA
- Sea Coast Home Health Care IncHome health agency · San Diego, CA
Industry payments (Open Payments)
- 2025$152.08 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $152.08 | 1 |
What the 2025 payments were for
- Food and Beverage$152.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in El Cajon
- 1134131725
- 1194217539
- 1386848166
- 1467458729
- 1477751667
- 1518034115
- 1619321098
- 1689164949
- 1730132457
- 1972946770
- 1285079509
- 1164795498
All 40 internal medicine physicians in El Cajon · All internal medicine physicians in California