Gretchen G. Webb-Kummer, M.D.
NPI 1356475347ActiveIndividual· Family Medicine· Oakdale, CA
Family Medicine (M.D.) in Oakdale, California, licensed in CA, with an NPI issued in March 2007. Their prescriptions cost Medicare Part D more than their services did: $494,621 for 7,442 claims, against $69,166 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 7 companies reporting payments in 2025, $210.71 in all, mostly food and beverage.
Overview
| NPI | 1356475347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 14, 2007 |
| Last updated in NPPES | Feb 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A94868 | 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 | 219 |
|---|---|
| Services billed | 1,023 across 40 procedure codes |
| Paid by Medicare | $69,166 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,442 · 15,863 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $494,621 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$210.71 · 11 payments from 7 companies
- 2024$244.43 · 14 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $70.53 | 4 |
| Pfizer Inc. | $37.76 | 2 |
| Novartis Pharmaceuticals Corporation | $24.90 | 1 |
| Biogen, Inc. | $24.29 | 1 |
| Novo Nordisk Inc | $22.46 | 1 |
What the 2025 payments were for
- Food and Beverage$210.71 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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