Tricia Grace Charles-Cowan, D.O.
NPI 1649526088ActiveIndividual· Internal Medicine, Nephrology· Hemet, CA
Internal Medicine, Nephrology (D.O.) with Nephrology Associates Medical Group Inc, practicing in Hemet, California. Their prescriptions cost Medicare Part D more than their services did: $1,057,998 for 3,265 claims, against $185,340 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $223.11 in all, mostly food and beverage. Lists Hemet Global Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1649526088 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 2, 2012 |
| Last updated in NPPES | Jul 29, 2021 |
| Certified by provider | Jul 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A14022 | 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 | 354 |
|---|---|
| Services billed | 1,621 across 25 procedure codes |
| Paid by Medicare | $185,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,265 · 6,231 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $1,057,998 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates Medical Group IncTemecula, CA · 64 clinicians
Hospital affiliations
- Hemet Global Medical CenterHemet, CA
- Loma Linda University Medical Center-MurrietaMurrieta, CA
- Menifee Global Medical CenterSun City, CA
Other facilities
- Davita Diamond Valley Dialysis CenterDialysis facility · San Jacinto, CA
- Davita Menifee Home DialysisDialysis facility · Menifee, CA
Industry payments (Open Payments)
- 2025$223.11 · 15 payments from 7 companies
- 2024$619.96 · 50 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $72.05 | 3 |
| Vifor Pharma, Inc. | $41.25 | 2 |
| Ardelyx, Inc. | $33.04 | 1 |
| Novo Nordisk Inc | $22.42 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.73 | 1 |
What the 2025 payments were for
- Food and Beverage$209.94 · 9 payments
- Education$13.17 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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