Physician Profile
Unclaimed ProfileAbout HELQUIST
Mark Helquist, M.D. is a healthcare provider in Jacksonville, FL specialising in diagnostic radiology. Mark trained at University of Florida College of Medicine, graduating in 2004.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Helquist specialise in?
Dr. Helquist is a diagnostic radiology in Jacksonville, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Helquist located?
Dr. Helquist is listed at 655 W 8TH ST # C90 CLINICAL CENTER, 1ST FLOOR, Jacksonville, FL 32209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Helquist's phone number?
The number on file is (904) 244-4225. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Helquist's NPI number?
Dr. Helquist's National Provider Identifier is 1427110642. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Helquist go to medical school?
Dr. Helquist attended University of Florida College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Helquist been practising?
Dr. Helquist has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Helquist do most often?
According to Medicare billing data, Dr. Helquist performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Helquist confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Helquist. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (904) 244-4225
- Email not available
Practice Locations
655 W 8TH ST # C90 CLINICAL CENTER, 1ST FLOOR
Jacksonville, FL 32209
Procedures Most Often Billed to Medicare
1,664 services · 1,493 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
570 |
| Ct scan head or brain without contrast | Imaging | 70450 |
156 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
79 |
| Screening mammography | Imaging | 77067 |
76 |
| Screening 3d breast mammography | Imaging | 77063 |
76 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
69 |
| X-ray of chest, 2 views | Imaging | 71046 |
62 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
60 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
54 |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
53 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Jacksonville 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Florida College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of Florida College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in FL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.