Daniel Kyung Hwang, M.D.
NPI 1629150081ActiveIndividual· Internal Medicine, Nephrology· San Bernardino, CA
Internal Medicine, Nephrology (M.D.) in San Bernardino, California, trained at New York University School of Medicine (class of 2002). In 2024 Medicare paid $166,491 for 330 patients, and Part D covered 1,284 of their prescriptions, 80% of them generic. Ardelyx, Inc. was the largest of 15 companies reporting payments in 2025, $1,136 in all, mostly food and beverage.
Overview
| NPI | 1629150081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Aug 4, 2021 |
| Certified by provider | Jul 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A91913 | CA |
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 | 330 |
|---|---|
| Services billed | 1,605 across 22 procedure codes |
| Paid by Medicare | $166,491 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,284 · 2,122 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $245,846 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Associates Medical Group IncTemecula, CA · 64 clinicians
Hospital affiliations
- Community Hospital of San BernardinoSan Bernardino, CA
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
- Redlands Community HospitalRedlands, CA
- San Gorgonio Memorial HospitalBanning, CA
- St Bernardine Medical CenterSan Bernardino, CA
Other facilities
- Davita Mountain Vista Dialysis CenterDialysis facility · San Bernardino, CA
- Davita San Bernardino Home TrainingDialysis facility · San Bernardino, CA
- Davita Serrano DialysisDialysis facility · San Bernardino, CA
Industry payments (Open Payments)
- 2025$1,136 · 56 payments from 15 companies
- 2024$1,310 · 63 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $239.94 | 13 |
| Astrazeneca Pharmaceuticals LP | $188.54 | 11 |
| Vifor Pharma, Inc. | $104.47 | 6 |
| Novartis Pharmaceuticals Corporation | $95.01 | 4 |
| Akebia Therapeutics Inc | $92.49 | 4 |
What the 2025 payments were for
- Food and Beverage$1,136 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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