P B. Sagireddy, MD
NPI 1407844889ActiveIndividual· Internal Medicine, Nephrology· Stockton, CA
Internal Medicine, Nephrology (MD) in Stockton, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $366,197 for 1,654 claims, against $117,928 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 17 companies reporting payments in 2025, $1,278 in all, mostly food and beverage.
Overview
| NPI | 1407844889 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 11, 2005 |
| Last updated in NPPES | Feb 28, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A73135 | 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 | 221 |
|---|---|
| Services billed | 767 across 13 procedure codes |
| Paid by Medicare | $117,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,654 · 3,670 30-day fills |
|---|---|
| Patients | 209 |
| Total drug cost | $366,197 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
Medical group
- San Joaquin Kidney Clinic, IncStockton, CA · 8 clinicians
Hospital affiliations
- Adventist Health Lodi MemorialLodi, CA
- Mark Twain Medical CenterSan Andreas, CA
- Memorial Medical CenterModesto, CA
- St Joseph's Medical Center of StocktonStockton, CA
- Sutter Amador HospitalJackson, CA
Other facilities
- Davita Delta Sierra Dialysis CenterDialysis facility · Stockton, CA
- Davita Lodi Dialysis CenterDialysis facility · Lodi, CA
- Davita Stockton Kidney CenterDialysis facility · Stockton, CA
- Davita Tokay Dialysis CenterDialysis facility · Lodi, CA
- Shc Wb StocktonDialysis facility · Stockton, CA
Industry payments (Open Payments)
- 2025$1,278 · 63 payments from 17 companies
- 2024$1,519 · 63 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $272.98 | 10 |
| Ardelyx, Inc. | $196.81 | 12 |
| Amgen Inc. | $139.23 | 7 |
| Calliditas Therapeutics US Inc. | $101.07 | 4 |
| Novo Nordisk Inc | $72.14 | 4 |
What the 2025 payments were for
- Food and Beverage$1,278 · 63 payments
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