YOSHIHIRO YAMAMOTO (M.D.) – Neurological Surgery Physician, NPI 1396775896
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for YOSHIHIRO YAMAMOTO (M.D.)
PO BOX 368
OLYMPIA, WA 985070368
Phone: (360) 491-4211
Fax: (360) 493-0407
Type: Mailing
615, Lilly Road Northeast, Olympia, Thurston County, Washington, 98506, United States
STE. 100
OLYMPIA, WA 985065117
Phone: (360) 491-4211
Fax: (360) 493-0407
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-11-02
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 |
|---|---|---|---|---|
| I20051102001125 | I | Neurosurgery | WA | 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 98507)
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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 | 18 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | WA | |
| A N E S T H E S I O L O G Y | NH | |
| Physician Assistant | WA | |
| - | TX | |
| A N E S T H E S I O L O G Y | WA | |
| Interventional Pain Management, Physical Medicine And Rehabilitation | WA | |
| - | WA | |
| - | WA | |
| Physician Assistant | WA | |
| Orthopedic Surgery | WA |
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