MALCOLM EDWARD II WILLIAMSON (MD) – Diagnostic Radiology Physician, NPI 1144218991
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
3,168 DIAGNOSTIC RADIOLOGY in FL
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Provider Addresses for MALCOLM EDWARD II WILLIAMSON (MD)
Ocala Post Office, Southwest 5th Street, Ocala, Marion County, Florida, 34474, United States
OCALA, FL 344786200
Phone: (352) 671-4300
Fax: (352) 671-4393
Type: Mailing
1818, Southwest 15th Avenue, Ocala, Marion County, Florida, 34471, United States
OCALA, FL 344743548
Phone: (352) 671-4300
Fax: (352) 671-4393
Type: Location
400 Health Park Blvd
St Augustine, FL 320865784
Phone: (904) 819-5155
Type: Location
2300 Opitz Blvd
Woodbridge, VA 221913311
Phone: (703) 523-1199
Type: Location
743 Spring St NE
Gainesville, GA 305013715
Phone: (770) 219-9000
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: 2026-02-23
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20050707000829 | I | Diagnostic Radiology | FL | TBD |
| I20210528002116 | I | Diagnostic Radiology | VI | TBD |
| I20251029003323 | I | Diagnostic Radiology | GA | TBD |
| I20260223002385 | I | Diagnostic Radiology | SC | 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 | 11,010 | 123 | $0 |
| 71045 | X-ray of chest, 1 view | 1,157 | 1,059 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 950 | 11 | $0 |
| A9577 | Injection, gadobenate dimeglumine (multihance), per ml | 759 | 47 | $0 |
| 70450 | Ct scan head or brain without contrast | 590 | 570 | $0 |
Insurance plans in this area (ZIP 34478)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | FL | 20610 | Aspiration and/or injection of large joint or joint capsule | 26 | 26 |
| DIAGNOSTIC RADIOLOGY | FL | 71010 | X-ray of chest, 1 view, front | 1897 | 1550 |
| DIAGNOSTIC RADIOLOGY | FL | 71250 | CT scan chest | 133 | 131 |
| DIAGNOSTIC RADIOLOGY | FL | 73140 | X-ray of fingers, minimum of 2 views | 11 | 11 |
| DIAGNOSTIC RADIOLOGY | FL | 73562 | X-ray of knee, 3 views | 37 | 33 |
| DIAGNOSTIC RADIOLOGY | FL | 73630 | X-ray of foot, minimum of 3 views | 36 | 34 |
| DIAGNOSTIC RADIOLOGY | FL | 74177 | CT scan of abdomen and pelvis with contrast | 133 | 131 |
| DIAGNOSTIC RADIOLOGY | FL | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 35 | 35 |
| DIAGNOSTIC RADIOLOGY | FL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 69 | 69 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | TN | |
| Physician Assistant | FL | |
| - | FL | |
| Diagnostic Radiology, Interventional Radiology | FL | |
| - | FL | |
| - | FL | |
| Diagnostic Radiology | GA |
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