John Carlos Thompson, M.D.
NPI 1770663890ActiveIndividual· Internal Medicine, Nephrology· La Mesa, CA
Internal Medicine, Nephrology (M.D.) in La Mesa, California, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $287,059 for 1,180 claims, against $177,065 paid for services in 2024. Ardelyx, Inc. reported $121.84 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1770663890 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 16, 2006 |
| Last updated in NPPES | Sep 21, 2026 |
| Certified by provider | Sep 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G83902 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 333 |
|---|---|
| Services billed | 1,614 across 23 procedure codes |
| Paid by Medicare | $177,065 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,180 · 2,294 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $287,059 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Emergency and Acute Care Medical CorporationLa Mesa, CA · 422 clinicians
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Chula Vista Medical CenterChula Vista, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Other facilities
- Fresenius Medical Care Balboa East CountyDialysis facility · El Cajon, CA
- Fresenius Medical Care Balboa la MesaDialysis facility · La Mesa, CA
Industry payments (Open Payments)
- 2025$121.84 · 1 payment from 1 company
- 2024$155.46 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $121.84 | 1 |
What the 2025 payments were for
- Food and Beverage$121.84 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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