DR. CHADWICK JAMES DONALDSON (MD, MS, MPH) – Otolaryngology Physician, NPI 1891743910
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,359 OTOLARYNGOLOGY in CA
Provider Addresses for DR. CHADWICK JAMES DONALDSON (MD, MS, MPH)
H200 MERCY LANE
CAMP PENDLETON, CA 92055
Phone: (760) 725-6646
Type: Location
2601 W Main St
Carbondale, IL 629011031
Phone: (618) 549-5361
Type: Location
2390, Faraday Avenue, Carlsbad Research Center, Carlsbad, San Diego County, California, 92008, United States
CARLSBAD, CA 920087216
Phone: (858) 909-0770
Fax: (858) 909-0880
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 70 Open Payments records for all available years, with a total value of $4,054.
Total Amount is formed as General ($4,054) + Research ($0) + Ownership ($0) = $4,054.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($2,218).
Total Amount
$4,054
General + Research + Ownership
Payments
70
Total payment records
General Amount
$4,054
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inspire Medical Systems, Inc. | $2,218 |
| Neurent Medical Limited | $748 |
| GENZYME CORPORATION | $325 |
| Stryker Corporation | $185 |
| AERIN MEDICAL INC. | $160 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-11-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20171117002532 | I | Otolaryngology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 170 | 112 | $0 |
| 31231 | Diagnostic exam of nasal passages using an endoscope | 100 | 79 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 93 | 93 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 92 | 92 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 79 | 65 | $0 |
Insurance plans in this area (ZIP 92055)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| P S Y C H I A T R Y | CA | |
| General Surgery | CA | |
| Neurology, Vascular Surgery | CA | |
| General Surgery | CA | |
| R H E U M A T O L O G Y | CA | |
| Colorectal Surgery (Proctology), General Surgery | CA | |
| U R O L O G Y | CA | |
| Internal Medicine, Interventional Cardiology | CA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | CA |
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