DR. SETH BRIAN GILLHAM (M.D.) – Diagnostic Radiology Physician, NPI 1588944847
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,262 DIAGNOSTIC RADIOLOGY in WA
Provider Addresses for DR. SETH BRIAN GILLHAM (M.D.)
401 W POPLAR ST
WALLA WALLA, WA 993622846
Phone: (509) 897-5850
Type: Mailing
801 S Stevens St
Spokane, WA 992042654
Phone: (509) 363-7788
Fax: (509) 363-7064
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $47.
Total Amount is formed as General ($47) + Research ($0) + Ownership ($0) = $47.
Last reported payment date: 2023-08-23 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($47).
Total Amount
$47
General + Research + Ownership
Payments
1
Total payment records
General Amount
$47
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $47 |
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: 2023-02-02
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20160415001673 | I | Diagnostic Radiology | CA | TBD |
| I20170110002677 | I | Diagnostic Radiology | WA | TBD |
| I20210624001219 | I | Diagnostic Radiology | MT | TBD |
| I20230202000237 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 2,975 | 30 | $0 |
| 71046 | X-ray of chest, 2 views | 720 | 714 | $0 |
| 77067 | Screening mammography | 638 | 638 | $0 |
| 71045 | X-ray of chest, 1 view | 504 | 494 | $0 |
| 77063 | Screening 3d breast mammography | 414 | 414 | $0 |
Insurance plans in this area (ZIP 99362)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | WA | 71010 | X-ray of chest, 1 view, front | 280 | 226 |
| DIAGNOSTIC RADIOLOGY | WA | 71250 | CT scan chest | 36 | 36 |
| DIAGNOSTIC RADIOLOGY | WA | 73110 | X-ray of wrist, minimum of 3 views | 17 | 17 |
| DIAGNOSTIC RADIOLOGY | WA | 73562 | X-ray of knee, 3 views | 11 | 11 |
| DIAGNOSTIC RADIOLOGY | WA | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 16 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| - | WA | |
| Diagnostic Radiology | WA | |
| - | WA | |
| - | MT | |
| Diagnostic Radiology | WA | |
| - | WA | |
| Diagnostic Radiology | WA | |
| - | WA | |
| Diagnostic Radiology | MI |
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