Chadwick James Donaldson, MD, MS, MPH
NPI 1891743910ActiveIndividual· Otolaryngology· Camp Pendleton, CA
Otolaryngology (MD, MS, MPH) in Camp Pendleton, California, trained at Tulane University School of Medicine (class of 2002). 254 Medicare patients in 2024, $130,241 paid; nearly all of their 665 Part D prescriptions were generic (96%). Inspire Medical Systems, Inc. was the largest of 10 companies reporting payments in 2025, $1,661 in all, mostly food and beverage.
Overview
| NPI | 1891743910 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MS, MPH |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | Apr 1, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A84567 | CA |
| General Practice | 208D00000X | 19132 | MS |
| Otolaryngology | 207Y00000X | 036.144906 | IL |
| General Practice | 208D00000X | MD.200605 | LA |
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 - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 795 across 59 procedure codes |
| Paid by Medicare | $130,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 665 · 823 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $55,196 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Otolaryngology |
Medical groups
- Emergency and Acute Care Medical CorporationLa Mesa, CA · 422 clinicians
- On Call Specialists Medical Group of San Diego IncSan Diego, CA · 144 clinicians
- Hillcrest Ear Nose and Throat IncSan Diego, CA · 3 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Scripps Mercy HospitalSan Diego, CA
- Sharp Chula Vista Medical CenterChula Vista, CA
Industry payments (Open Payments)
- 2025$1,661 · 50 payments from 10 companies
- 2024$3,091 · 42 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $698.32 | 17 |
| Glaxosmithkline, LLC. | $328.74 | 10 |
| Stryker Corporation | $214.24 | 3 |
| Smith+nephew, Inc. | $165.22 | 12 |
| Aerin Medical Inc. | $123.35 | 3 |
What the 2025 payments were for
- Food and Beverage$1,661 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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