Kariappa Appachu, MD
NPI 1942504683ActiveIndividual· Internal Medicine, Nephrology· Tempe, AZ
Internal Medicine, Nephrology (MD) with Southwest Kidney Institute PLC, practicing in Tempe, Arizona. Their prescriptions cost Medicare Part D more than their services did: $431,179 for 2,292 claims, against $162,240 paid for services in 2024. Vantive US Healthcare LLC was the largest of 11 companies reporting payments in 2025, $390.78 in all, mostly food and beverage. Lists Banner Casa Grande Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1942504683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2011 |
| Last updated in NPPES | Aug 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 49051 | AZ |
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 (AZ); Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 504 |
|---|---|
| Services billed | 2,827 across 44 procedure codes |
| Paid by Medicare | $162,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,292 · 5,656 30-day fills |
|---|---|
| Patients | 403 |
| Total drug cost | $431,179 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southwest Kidney Institute PLCMesa, AZ · 101 clinicians
Hospital affiliations
- Banner Casa Grande Medical CenterCasa Grande, AZ
- Banner Desert Medical CenterMesa, AZ
- Banner Ocotillo Medical CenterChandler, AZ
- Chandler Regional Medical CenterChandler, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
Other facilities
- 032561 Casa Grande Dialysis (Fmc)Dialysis facility · Casa Grande, AZ
- Davita Tempe Dialysis CenterDialysis facility · Tempe, AZ
Industry payments (Open Payments)
- 2025$390.78 · 16 payments from 11 companies
- 2024$612.10 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $104.90 | 1 |
| Travere Therapeutics, Inc. | $66.10 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $46.73 | 3 |
| Amgen Inc. | $34.63 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $29.39 | 1 |
What the 2025 payments were for
- Food and Beverage$366.04 · 14 payments
- Education$24.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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