Glenn Chiang, M.D.
NPI 1285697227ActiveIndividual· Internal Medicine, Nephrology· Newport Beach, CA
Internal Medicine, Nephrology (M.D.) in Newport Beach, California, trained at Saint Louis University School of Medicine (class of 1993). In 2024 Medicare paid $210,477 for 521 patients, and Part D covered 1,751 of their prescriptions, 82% of them generic. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $380.79 in all, mostly food and beverage.
Overview
| NPI | 1285697227 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Feb 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G80417 | 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 | 521 |
|---|---|
| Services billed | 2,139 across 20 procedure codes |
| Paid by Medicare | $210,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,751 · 4,059 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $292,379 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Specialists Medical Group, Inc.Newport Beach, CA · 5 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Davita Costa Mesa DialysisDialysis facility · Costa Mesa, CA
- Fmc-Newport Mesa Dialysis ServicesDialysis facility · Costa Mesa, CA
- Fmc-Newport Superior DialysisDialysis facility · Newport Beach, CA
- Rai - Laguna Canyon - IrvineDialysis facility · Irvine, CA
Industry payments (Open Payments)
- 2025$380.79 · 12 payments from 7 companies
- 2024$434.28 · 16 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $125.00 | 1 |
| Novartis Pharmaceuticals Corporation | $64.08 | 3 |
| Calliditas Therapeutics US Inc. | $57.25 | 2 |
| Ardelyx, Inc. | $46.82 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34.17 | 2 |
What the 2025 payments were for
- Food and Beverage$380.79 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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