Nader Kamangar, MD
NPI 1922093285ActiveIndividual· Internal Medicine, Critical Care Medicine· Walnut Creek, CA
Internal Medicine, Critical Care Medicine (MD) in Walnut Creek, California, licensed in CA, with an NPI issued in September 2005. Part D covered 15 prescriptions written in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 11 companies reporting payments in 2025, $833.18 in all, mostly food and beverage.
Overview
| NPI | 1922093285 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | A66078 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A66078 | 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 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 - Pulmonary Disease (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 28 30-day fills |
|---|---|
| Total drug cost | $5,772 |
Industry payments (Open Payments)
- 2025$833.18 · 25 payments from 11 companies
- 2024$394.57 · 15 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $200.00 | 1 |
| Insmed, Inc. | $154.03 | 6 |
| United Therapeutics Corporation | $126.53 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $88.84 | 4 |
| Glaxosmithkline, LLC. | $53.24 | 2 |
What the 2025 payments were for
- Food and Beverage$633.18 · 24 payments
- Consulting Fee$200.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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