DR. JACK MARK FIELDS (MD) – Diagnostic Radiology Physician, NPI 1326016379
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,262 DIAGNOSTIC RADIOLOGY in WA
Provider Addresses for DR. JACK MARK FIELDS (MD)
203 S Western Ave
Tonasket, WA 988558803
Phone: (509) 486-2151
Fax: (509) 223-1640
Type: Location
33rd Avenue West, Lynnwood, Snohomish County, Washington, 98037, United States
LYNNWOOD, WA 980364748
Phone: (425) 563-1500
Fax: (425) 563-1374
Type: Mailing
3417, Ensign Road Northeast, Olympia, Thurston County, Washington, 98506, United States
OLYMPIA, WA 985065075
Phone: (360) 493-4600
Fax: (360) 493-4603
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: 2025-11-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20060222000331 | I | Diagnostic Radiology | WA | TBD |
| I20250124002263 | I | Diagnostic Radiology | CA | TBD |
| I20251121001298 | I | Diagnostic Radiology | MI | 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 |
|---|---|---|---|---|
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 2,634 | 17 | $0 |
| 72148 | Mri scan of lower spinal canal without contrast | 341 | 326 | $0 |
| 73700 | Ct scan of leg without contrast | 286 | 275 | $0 |
| 73721 | Mri scan of leg joint without contrast | 221 | 203 | $0 |
| 72192 | Ct scan of pelvis without contrast | 179 | 179 | $0 |
Insurance plans in this area (ZIP 98855)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | WA | 71250 | CT scan chest | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | WA | 73630 | X-ray of foot, minimum of 3 views | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | WA | 74177 | CT scan of abdomen and pelvis with contrast | 40 | 40 |
| DIAGNOSTIC RADIOLOGY | WA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 19 | 19 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| General Surgery | WA | |
| Orthopedic Surgery | WA | |
| P S Y C H I A T R Y | WA | |
| Hospitalist, Hospice/Palliative Care, Internal Medicine | WA | |
| Hospitalist, Hospice/Palliative Care | WA | |
| Physician Assistant | WA | |
| N E U R O L O G Y | WA | |
| N E U R O L O G Y | WA | |
| Hospitalist, Hospice/Palliative Care, Internal Medicine | ND |
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