DR. HAL J CLARK (D.O.) – Diagnostic Radiology Physician, NPI 1083934467
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
579 DIAGNOSTIC RADIOLOGY in AL
Provider Addresses for DR. HAL J CLARK (D.O.)
PO BOX 9369
MOBILE, AL 366910369
Phone: (251) 460-0326
Fax: (251) 460-2846
Type: Mailing
5 MOBILE INFIRMARY CIR
MOBILE, AL 366073513
Phone: (251) 460-0326
Fax: (251) 460-2846
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2015-07-20
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 |
|---|---|---|---|---|
| I20150720001641 | I | Diagnostic Radiology | AL | 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 |
|---|---|---|---|---|
| 77067 | Screening mammography | 680 | 680 | $0 |
| 77063 | Screening 3d breast mammography | 673 | 673 | $0 |
| 71045 | X-ray of chest, 1 view | 440 | 401 | $0 |
| 71046 | X-ray of chest, 2 views | 264 | 260 | $0 |
| G0279 | Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 226 | 219 | $0 |
Insurance plans in this area (ZIP 36691)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | AL | 71010 | X-ray of chest, 1 view, front | 858 | 760 |
| DIAGNOSTIC RADIOLOGY | AL | 71250 | CT scan chest | 60 | 60 |
| DIAGNOSTIC RADIOLOGY | AL | 73110 | X-ray of wrist, minimum of 3 views | 13 | 12 |
| DIAGNOSTIC RADIOLOGY | AL | 74177 | CT scan of abdomen and pelvis with contrast | 123 | 122 |
| DIAGNOSTIC RADIOLOGY | AL | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 36 | 35 |
| DIAGNOSTIC RADIOLOGY | AL | 93922 | Ultrasound study of arteries of both arms and legs | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | AL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 42 | 41 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Neurology, Nuclear Medicine, Diagnostic Radiology | FL | |
| Diagnostic Radiology, Radiation Oncology | AL | |
| General Practice, Diagnostic Radiology | AL | |
| - | AL | |
| Diagnostic Radiology | AL | |
| - | AL | |
| Diagnostic Radiology | AL | |
| - | AL | |
| - | AL | |
| Diagnostic Radiology, Nuclear Medicine | AL |
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