Physician Profile
Unclaimed ProfileAbout JOHNSON
Mark Vincent Johnson, M.D. practises diagnostic radiology in Mobile, AL. Mark is a 1990 graduate of University of Tennessee, Hsc, College of Medicine.
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 kind of doctor is Dr. Johnson?
Dr. Johnson is a diagnostic radiology in Mobile, AL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Johnson's address?
Dr. Johnson is listed at 3719 DAUPHIN ST, Mobile, AL 36608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnson?
The number on file is (251) 340-7786. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johnson?
Dr. Johnson's National Provider Identifier is 1740222587. 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. Johnson train?
Dr. Johnson attended University of Tennessee, Hsc, College of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johnson have?
Dr. Johnson has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnson perform?
According to Medicare billing data, Dr. Johnson 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
Is Dr. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (251) 340-7786
- Email not available
Practice Locations
3719 DAUPHIN ST
Mobile, AL 36608
Procedures Most Often Billed to Medicare
2,626 services · 2,356 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
827 |
| Ct scan head or brain without contrast | Imaging | 70450 |
294 |
| Screening mammography | Imaging | 77067 |
153 |
| Screening 3d breast mammography | Imaging | 77063 |
151 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
142 |
| Ct scan of chest with contrast | Imaging | 71260 |
122 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
101 |
| X-ray of chest, 2 views | Imaging | 71046 |
101 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
85 |
| Ct scan of chest without contrast | Imaging | 71250 |
76 |
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.
Other diagnostic radiology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
More connections — 32 related providers in 4 groups
Other diagnostic radiology specialists in Mobile 8
Same specialty, same city.
Trained at University of Tennessee, Hsc, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in AL 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.