Aziz Karim Valika, MD
NPI 1992910954ActiveIndividual· Internal Medicine, Nephrology· Concord, CA
Internal Medicine, Nephrology (MD) in Concord, California, trained at Illinois Medical College (class of 2007). In 2024 Medicare paid $290,873 for 623 patients, and Part D covered 937 of their prescriptions, 76% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 8 companies reporting payments in 2025, $662.14 in all, mostly food and beverage.
Overview
| NPI | 1992910954 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 13, 2007 |
| Last updated in NPPES | Feb 20, 2024 |
| Certified by provider | Feb 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C175413 | AZ |
| Internal Medicine, Nephrology | 207RN0300X | 036138043 | IL |
| Hospitalist | 208M00000X | 050056 | CT |
| Internal Medicine, Nephrology | 207RN0300X | 050056 | CT |
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 | 623 |
|---|---|
| Services billed | 2,651 across 42 procedure codes |
| Paid by Medicare | $290,873 |
Part D prescriptions in 2024
| Prescriptions (claims) | 937 · 2,294 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $372,533 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Illinois Medical College |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- West Coast KidneyDaly City, CA · 56 clinicians
Hospital affiliations
- Contra Costa Regional Medical CenterMartinez, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Fkc San MiguelDialysis facility · Concord, CA
- Fresenius Medical Care - Diablo BrentwoodDialysis facility · Brentwood, CA
- Fresenius Medical Care Diablo East AntiochDialysis facility · Antioch, CA
Industry payments (Open Payments)
- 2025$662.14 · 31 payments from 8 companies
- 2024$887.11 · 38 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $258.90 | 8 |
| Fresenius USA Marketing, Inc. | $205.25 | 14 |
| Amgen Inc. | $53.32 | 3 |
| Astrazeneca Pharmaceuticals LP | $43.92 | 2 |
| Otsuka America Pharmaceutical, Inc. | $28.79 | 1 |
What the 2025 payments were for
- Food and Beverage$662.14 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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