Physician Profile
Unclaimed ProfileAbout MAHAN
Mark J Mahan, MD practices diagnostic radiology in Orlando, FL. According to Medicare claims data, Mark cared for 1,228 Medicare patients across 1,249 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (407) 423-2581
- Email not available
Practice Locations
20 W KALEY ST
Orlando, FL 32806
Procedures Most Often Billed to Medicare
1,249 services · 1,228 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
349 |
| Ct scan head or brain without contrast | Imaging | 70450 |
185 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
121 |
| X-ray of chest, 2 views | Imaging | 71046 |
72 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
66 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
65 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
51 |
| Ct scan of chest without contrast | Imaging | 71250 |
27 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
26 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
25 |
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 31 related providers in 4 groups
Other diagnostic radiology specialists in Orlando 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Other 8
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.
Common questions
What does Dr. Mahan specialize in?
Dr. Mahan is a diagnostic radiology in Orlando, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Mahan located?
Dr. Mahan is listed at 20 W KALEY ST, Orlando, FL 32806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mahan's phone number?
The number on file is (407) 423-2581. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mahan's NPI number?
Dr. Mahan's National Provider Identifier is 1609863778. 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. Mahan go to medical school?
Dr. Mahan attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mahan been practicing?
Dr. Mahan has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mahan do most often?
According to Medicare billing data, Dr. Mahan performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mahan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.