Physician Profile
Unclaimed ProfileAbout HALLMARK
Christopher Alan Hallmark, MD practices diagnostic radiology in Orlando, FL. Christopher is a 2006 graduate of Baylor College of Medicine. According to Medicare claims data, Christopher cared for 1,469 Medicare patients across 1,526 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
- (321) 842-8475
- Email not available
Practice Locations
52 W UNDERWOOD ST
Orlando, FL 32806
Procedures Most Often Billed to Medicare
1,526 services · 1,469 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
333 |
| Ct scan head or brain without contrast | Imaging | 70450 |
255 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
126 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
119 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
109 |
| Ct scan of lower spine without contrast | Imaging | 72131 |
59 |
| Ct scan of middle spine without contrast | Imaging | 72128 |
54 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
47 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
45 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
43 |
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.
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 Orlando 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Baylor 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 FL who bill this service to Medicare most often.
Common questions
What is Dr. Hallmark's specialty?
Dr. Hallmark 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 can I find Dr. Hallmark?
Dr. Hallmark is listed at 52 W UNDERWOOD ST, Orlando, FL 32806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hallmark?
The number on file is (321) 842-8475. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hallmark's NPI number?
Dr. Hallmark's National Provider Identifier is 1063854354. 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
What is Dr. Hallmark's medical education?
Dr. Hallmark attended Baylor College of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hallmark been practicing?
Dr. Hallmark has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hallmark known for?
According to Medicare billing data, Dr. Hallmark 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. Hallmark confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hallmark. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.