Jagjit Singh, MD
NPI 1801884929ActiveIndividual· Internal Medicine, Nephrology· Stockton, CA
Internal Medicine, Nephrology (MD) in Stockton, California, licensed in CA, with an NPI issued in October 2005. Their prescriptions cost Medicare Part D more than their services did: $303,856 for 2,839 claims, against $190,483 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $54.39 in all, mostly education. Lists Mark Twain Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1801884929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2005 |
| Last updated in NPPES | May 31, 2023 |
| Certified by provider | May 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A45075 | 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 | 220 |
|---|---|
| Services billed | 1,429 across 16 procedure codes |
| Paid by Medicare | $190,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,839 · 5,558 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $303,856 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Mark Twain Medical CenterSan Andreas, CA
- Memorial Medical CenterModesto, CA
- St Joseph's Medical Center of StocktonStockton, CA
- Sutter Amador HospitalJackson, CA
Other facilities
- Shc StocktonDialysis facility · Stockton, CA
- Shc Wb StocktonDialysis facility · Stockton, CA
Industry payments (Open Payments)
- 2025$54.39 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $32.27 | 1 |
| Lilly USA, LLC | $22.12 | 1 |
What the 2025 payments were for
- Education$32.27 · 1 payment
- Food and Beverage$22.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 nephrologists in Stockton · All nephrologists in California