Ammar Alnaser, M.D.
NPI 1073909370ActiveIndividual· Internal Medicine, Nephrology· Mission Hills, CA
Internal Medicine, Nephrology (M.D.) with Kidney Consultants Medical Group Inc, practicing in Mission Hills, California. In 2024 Medicare paid $289,089 for 452 patients, and Part D covered 1,732 of their prescriptions, 83% of them generic. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $424.11 in all, mostly food and beverage. Lists Henry Mayo Newhall Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1073909370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2015 |
| Last updated in NPPES | Feb 3, 2021 |
| Certified by provider | Feb 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A151516 | 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 | 452 |
|---|---|
| Services billed | 2,119 across 21 procedure codes |
| Paid by Medicare | $289,089 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,732 · 4,131 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $248,701 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Kidney Consultants Medical Group IncMission Hills, CA · 13 clinicians
Hospital affiliations
- Henry Mayo Newhall HospitalValencia, CA
- Northridge Hospital Medical CenterNorthridge, CA
- Pacifica Hospital of the ValleySun Valley, CA
- Providence Holy Cross Medical CenterMission Hills, CA
- Valley Presbyterian HospitalVan Nuys, CA
Other facilities
- Laurel Canyon Dialysis, LLCDialysis facility · Sun Valley, CA
- Mission Hills Dialysis LLCDialysis facility · Mission Hills, CA
- Northridge Kidney Center, LLCDialysis facility · Northridge, CA
- Santa Clarita Dialysis, LLCDialysis facility · Valencia, CA
Industry payments (Open Payments)
- 2025$424.11 · 19 payments from 9 companies
- 2024$1,083 · 53 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $105.12 | 4 |
| Astrazeneca Pharmaceuticals LP | $56.17 | 3 |
| Calliditas Therapeutics US Inc. | $53.27 | 2 |
| Aurinia Pharma U.S., Inc. | $51.83 | 3 |
| Otsuka America Pharmaceutical, Inc. | $46.69 | 2 |
What the 2025 payments were for
- Food and Beverage$424.11 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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