Jason Shey, MD
NPI 1336140250ActiveIndividual· Internal Medicine, Nephrology· Walnut Creek, CA
Internal Medicine, Nephrology (MD) in Walnut Creek, California, trained at Baylor College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $788,872 for 1,533 claims, against $264,266 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 9 companies reporting payments in 2025, $1,243 in all, mostly food and beverage.
Overview
| NPI | 1336140250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A77182 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 457 |
|---|---|
| Services billed | 1,915 across 36 procedure codes |
| Paid by Medicare | $264,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,533 · 2,598 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $788,872 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- West Coast KidneyDaly City, CA · 56 clinicians
Hospital affiliations
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Davita Concord Dialysis CenterDialysis facility · Concord, CA
- Davita Delta View DialysisDialysis facility · Pittsburg, CA
- Fresenius Medical Care - Diablo Walnut CreekDialysis facility · Walnut Creek, CA
- Fresenius Medical Care - PittsburgDialysis facility · Pittsburg, CA
- Fresenius Medical Care Diablo East AntiochDialysis facility · Antioch, CA
Industry payments (Open Payments)
- 2025$1,243 · 48 payments from 9 companies
- 2024$1,773 · 58 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $351.19 | 18 |
| Amgen Inc. | $272.27 | 14 |
| Ardelyx, Inc. | $188.92 | 5 |
| Mallinckrodt Hospital Products Inc. | $161.40 | 3 |
| Nxstage Medical, Inc. | $98.20 | 1 |
What the 2025 payments were for
- Food and Beverage$1,243 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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