DR. DAVID ALLEN YAM (M.D.) – Neurological Surgery Physician, NPI 1649495896
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
119 NEUROSURGERY in OR
Provider Addresses for DR. DAVID ALLEN YAM (M.D.)
333 SE 7TH AVE STE 4350
HILLSBORO, OR 971234172
Phone: (503) 844-8220
Fax: (503) 844-8321
Type: Mailing
15101 NE 193RD CT
BRUSH PRAIRIE, WA 986063915
Phone: (509) 526-8038
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 154 Open Payments records for all available years, with a total value of $120,421.
Total Amount is formed as General ($120,421) + Research ($0) + Ownership ($0) = $120,421.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: NuVasive, Inc. ($40,290).
Total Amount
$120,421
General + Research + Ownership
Payments
154
Total payment records
General Amount
$120,421
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| NuVasive, Inc. | $40,290 |
| Globus Medical, Inc. | $35,763 |
| Medtronic, Inc. | $29,585 |
| Orthofix Medical, Inc. | $13,183 |
| Alphatec Spine, Inc | $1,227 |
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: 2019-06-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100913000198 | I | Neurosurgery | WA | TBD |
| I20190610001456 | I | Neurosurgery | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 97123)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROSURGERY | WA | 22842 | Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments | 72 | 71 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | AZ | |
| Family Practice | WA | |
| Emergency Medicine | WA | |
| Nurse Practitioner | WA | |
| Certified Nurse Midwife (Cnm) | WA | |
| Family Practice | WA | |
| Geriatric Medicine | WA | |
| Internal Medicine | IN | |
| Nurse Practitioner | WA | |
| Cardiovascular Disease (Cardiology) | WA |
Reviews
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