DAVID A CLARK (DO) – Neurology Physician, NPI 1578760278
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 NEUROLOGY in OR
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Provider Addresses for DAVID A CLARK (DO)
3355, Riverbend Drive, Springfield, Lane County, Oregon, 97477, United States
SUITE 410
SPRINGFIELD, OR 974778800
Phone: (541) 868-9430
Fax: (541) 868-9450
Type: Mailing
1, Hayden Bridge Way, Springfield, Lane County, Oregon, 97477, United States
SPRINGFIELD, OR 974771347
Phone: (541) 868-9430
Fax: (541) 868-9450
Type: Location
1 HAYDEN BRIDGE WAY
SPRINGFIELD, OR 974771347
Phone:
Fax: (541) 868-9450
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 406 Open Payments records for all available years, with a total value of $295,211.
Total Amount is formed as General ($295,211) + Research ($0) + Ownership ($0) = $295,211.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: TG Therapeutics, Inc. ($75,930).
Total Amount
$295,211
General + Research + Ownership
Payments
406
Total payment records
General Amount
$295,211
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| TG Therapeutics, Inc. | $75,930 |
| GENZYME CORPORATION | $51,513 |
| Biogen, Inc. | $47,927 |
| ARGENX US, INC. | $46,807 |
| Alexion Pharmaceuticals, Inc. | $32,325 |
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: 2012-07-24
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 |
|---|---|---|---|---|
| I20120724000001 | I | Neurology | OR | 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 |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 16,900 | 27 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 292 | 182 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 203 | 176 | $0 |
| 92133 | Imaging of optic nerve | 150 | 115 | $0 |
| 92283 | Extended exam involving color vision testing | 105 | 84 | $0 |
Insurance plans in this area (ZIP 97477)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | OR | |
| - | OR | |
| N E U R O L O G Y | OR | |
| - | OR | |
| N E U R O L O G Y | OR | |
| N E U R O L O G Y | OR | |
| - | OR | |
| N E U R O L O G Y | OR | |
| - | OR | |
| N E U R O L O G Y | OR |
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