JAMES J LARSEN (DO) – Family Medicine Physician, NPI 1558399162
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,141 FAMILY PRACTICE in WA
Provider Addresses for JAMES J LARSEN (DO)
5901 N Lidgerwood St Ste 126
Spokane, WA 992081122
Phone: (509) 444-8200
Type: Location
Columbia Valley Community Health, 600, Orondo Avenue, Wenatchee, Chelan County, Washington, 98801, United States
STE 1
WENATCHEE, WA 988012800
Phone: (509) 662-6000
Fax: (509) 664-4588
Type: Mailing
317, East Johnson Avenue, Chelan, Chelan County, Washington, 98816, United States
CHELAN, WA 988162920
Phone: (509) 682-6000
Fax: (509) 682-6296
Type: Location
611 N IRON BRIDGE WAY
SPOKANE, WA 992024932
Phone: (509) 444-8888
Type: Mailing
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: 2009-10-26
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 |
|---|---|---|---|---|
| I20091026000680 | I | Family Practice | 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 99208)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | WA | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | WA | |
| Certified Nurse Midwife (Cnm) | WA | |
| Certified Nurse Midwife (Cnm) | WA | |
| Physician Assistant | WA | |
| - | WA | |
| Nurse Practitioner | WA | |
| - | WA | |
| Mental Health Counselor | WA |
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