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

Zachary Sullivan, MD

Individual provider Diagnostic Radiology Physician · NPI 1447824297

Zachary Sullivan, MD is a Diagnostic Radiology in Oak Lawn, Illinois. Graduated from Duke University School of Medicine in 2021, 5 years ago. Works from 3 locations. Licensed in Illinois.

Years since qualifying
5
Trained at
Duke University School of Medicine
Licensed in
IL
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4440 W 95th St
Oak Lawn, IL 60453-2600
Phone: (708) 684-8000
Fax: (708) 520-1039
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1775 Dempster St, Park Ridge, IL 60068-1143 — (847) 723-5016
  • 820 Harrison Ave, Boston, MA 02118-2905 — (617) 638-8000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036177986 (IL)

Record details

NPI number1447824297
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2021
Last updated in NPPESJuly 22, 2026
Certification dateJuly 22, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Oak Lawn