MARK HELQUIST (M.D.) – Diagnostic Radiology Physician, NPI 1427110642
Diagnostic Radiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,168 DIAGNOSTIC RADIOLOGY in FL
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Provider Addresses for MARK HELQUIST (M.D.)
West 8th Street, Springfield, Jacksonville, Duval County, Florida, 32209, United States
CLINICAL CENTER, 1ST FLOOR
JACKSONVILLE, FL 322096511
Phone: (904) 244-4225
Fax: (904) 244-3383
Mailing address matches the actual address.
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: 2021-09-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100628000716 | I | Diagnostic Radiology | GA | TBD |
| I20210914001540 | I | Diagnostic Radiology | FL | 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 | 627 | 509 | $0 |
| 70450 | Ct scan head or brain without contrast | 173 | 162 | $0 |
| 71046 | X-ray of chest, 2 views | 165 | 163 | $0 |
| 77063 | Screening 3d breast mammography | 132 | 132 | $0 |
| 77067 | Screening mammography | 132 | 132 | $0 |
Insurance plans in this area (ZIP 32209)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | FL | 71250 | CT scan chest | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | FL | 73562 | X-ray of knee, 3 views | 16 | 16 |
| DIAGNOSTIC RADIOLOGY | FL | 73630 | X-ray of foot, minimum of 3 views | 21 | 20 |
| DIAGNOSTIC RADIOLOGY | FL | 74177 | CT scan of abdomen and pelvis with contrast | 58 | 57 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | FL | |
| Nurse Practitioner | GA | |
| Nuclear Medicine, Diagnostic Radiology | GA | |
| Diagnostic Radiology | OH | |
| Diagnostic Radiology | GA | |
| Diagnostic Radiology | GA | |
| Certified Registered Nurse Anesthetist (Crna) | GA |
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