DR. DAVID R RACKER (M.D.) – Diagnostic Radiology Physician, NPI 1083679781
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for DR. DAVID R RACKER (M.D.)
Napa Post Office, Trancas Street, Union, Napa, Napa County, California, 94558, United States
NAPA, CA 945580293
Phone: (707) 261-7821
Fax: (707) 256-3508
Type: Mailing
10, Woodland Road, Saint Helena Parish, Louisiana, 70422, United States
SAINT HELENA, CA 945749554
Phone: (707) 963-6430
Fax: (707) 256-3508
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: 2008-09-25
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 |
|---|---|---|---|---|
| I20080925000492 | I | Diagnostic Radiology | CA | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 404 | 340 | $0 |
| 70450 | Ct scan head or brain without contrast | 121 | 114 | $0 |
| 71046 | X-ray of chest, 2 views | 89 | 87 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 67 | 65 | $0 |
| 73502 | X-ray of hip, 2-3 views | 64 | 59 | $0 |
Insurance plans in this area (ZIP 94558)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 73562 | X-ray of knee, 3 views | 171 | 131 |
| DIAGNOSTIC RADIOLOGY | CA | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 11 | 11 |
| DIAGNOSTIC RADIOLOGY | CA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 78 | 78 |
| DIAGNOSTIC RADIOLOGY | CA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 105 | 97 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | AZ | |
| - | CA | |
| Diagnostic Radiology | CA | |
| - | CA | |
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | OH | |
| Vascular Surgery | NY | |
| - | WI |
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