Ritchie Wong, M.D.
NPI 1821054552ActiveIndividual· Family Medicine· Carmichael, CA
Family Medicine (M.D.) in Carmichael, California, trained at University of California, San Francisco School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $301,108 for 4,547 claims, against $134,209 paid for services in 2024. Exact Sciences Corporation was the largest of 4 companies reporting payments in 2025, $291.29 in all, mostly food and beverage.
Overview
| NPI | 1821054552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Nov 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G34923 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 2,336 across 30 procedure codes |
| Paid by Medicare | $134,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,547 · 10,240 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $301,108 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Ritchie Wong MD IncCarmichael, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$291.29 · 8 payments from 4 companies
- 2024$310.88 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $201.91 | 4 |
| Pfizer Inc. | $41.14 | 2 |
| Lilly USA, LLC | $27.68 | 1 |
| Kowa Pharmaceuticals America, Inc. | $20.56 | 1 |
What the 2025 payments were for
- Food and Beverage$291.29 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 family medicine physicians in Carmichael · All family medicine physicians in California