Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark K Youssef, MD

Individual provider Diagnostic Radiology Physician · NPI 1679910301

Mark K Youssef, MD is a Diagnostic Radiology in Southbury, Connecticut. Qualified in 2013, 13 years ago. Practices with Diagnostic Imaging Associates LLC, a 10-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
13
Licensed in
CT
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

385 Main St S
Southbury, CT 06488-4240
Phone: (203) 267-5114
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 56 Franklin St, Waterbury, CT 06706-1281 — (203) 753-2574

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 72105 (CT)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 72105 (CT)

Record details

NPI number1679910301
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2013
Last updated in NPPESMay 24, 2024
Certification dateMay 20, 2024
Mailing addressNaugatuck Valley Radiological Associates, 385 Main St South, Southbury, CT 06488

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Diagnostic Imaging Associates Llc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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