Zain Haq, MD
NPI 1407418486ActiveIndividual· Internal Medicine, Nephrology· Corvallis, OR
Internal Medicine, Nephrology (MD) with Good Samaritan Hospital Corvallis and 3 other groups, practicing in Corvallis, Oregon. Their prescriptions cost Medicare Part D more than their services did: $29,334 for 87 claims, against $12,197 paid for services in 2024. Nxstage Medical, Inc. was the largest of 6 companies reporting payments in 2025, $287.23 in all, mostly food and beverage. Lists Good Samaritan Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1407418486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2019 |
| Last updated in NPPES | Oct 28, 2024 |
| Certified by provider | Oct 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD218832 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 118 across 13 procedure codes |
| Paid by Medicare | $12,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 201 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $29,334 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Good Samaritan Hospital CorvallisCorvallis, OR · 380 clinicians
- Albany General HospitalAlbany, OR · 198 clinicians
- Samaritan Pacific Health Services IncNewport, OR · 87 clinicians
- Samaritan North Lincoln HospitalLincoln City, OR · 42 clinicians
Hospital affiliations
- Good Samaritan Regional Medical CenterCorvallis, OR
- Samaritan Albany General HospitalAlbany, OR
- Samaritan Lebanon Community HospitalLebanon, OR
- Samaritan North Lincoln HospitalLincoln City, OR
- Samaritan Pacific Community HospitalNewport, OR
Other facilities
- Davita Lincoln City DialysisDialysis facility · Lincoln City, OR
- Qualicenters - Albany LtdDialysis facility · Albany, OR
Industry payments (Open Payments)
- 2025$287.23 · 9 payments from 6 companies
- 2024$293.93 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $143.45 | 2 |
| Travere Therapeutics, Inc. | $71.74 | 3 |
| Novartis Pharmaceuticals Corporation | $20.26 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.22 | 1 |
| Alexion Pharmaceuticals, Inc. | $16.10 | 1 |
What the 2025 payments were for
- Food and Beverage$267.01 · 8 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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