Physician Profile
Unclaimed ProfileAbout YOUSSEF
Mark K Youssef, M.D. practices diagnostic radiology in Southbury, CT. Mark is also listed as specializing in vascular & interventional radiology. Medicare claims data shows Mark provided 6,604 services to 1,524 patients.
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. Youssef specialize in?
Dr. Youssef is a diagnostic radiology in Southbury, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Youssef located?
Dr. Youssef is listed at 385 MAIN ST S, Southbury, CT 06488. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Youssef's phone number?
The number on file is (203) 267-5114. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Youssef?
Dr. Youssef's National Provider Identifier is 1679910301. 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. Youssef go to medical school?
Dr. Youssef attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Youssef have?
Dr. Youssef has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Youssef do most often?
According to Medicare billing data, Dr. Youssef performs imaging including x-ray of chest, 1 view and screening mammography. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Youssef's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Youssef. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 267-5114
- Email not available
Practice Locations
385 MAIN ST S
Southbury, CT 06488
Procedures Most Often Billed to Medicare
6,604 services · 1,524 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
132 |
| Screening mammography | Imaging | 77067 |
119 |
| Screening 3d breast mammography | Imaging | 77063 |
119 |
| Ct scan head or brain without contrast | Imaging | 70450 |
115 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
98 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
91 |
| 3d radiographic procedure | Imaging | 76376 |
71 |
| X-ray of chest, 2 views | Imaging | 71046 |
64 |
| Ct scan of chest without contrast | Imaging | 71250 |
57 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
54 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 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 — 26 related providers in 4 groups
Other diagnostic radiology specialists in Southbury 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 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 CT 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.