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

Dr. Mark J Mahan, MD

Individual provider Diagnostic Radiology Physician · NPI 1609863778

Dr. Mark J Mahan, MD is a Diagnostic Radiology in Orlando, Florida. Qualified in 1985, 41 years ago. Practices with Specialists in Medical Imaging, SC, a 221-clinician group. Licensed in Florida and Illinois.

Years since qualifying
41
Licensed in
FL, IL
In the registry since
2005
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

20 W Kaley St
Orlando, FL 32806-2931
Phone: (407) 423-2581
Fax: (407) 849-6470
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence ME 57707 (FL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 036154985 (IL)

Record details

NPI number1609863778
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESFebruary 26, 2026
Certification dateFebruary 26, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Specialists In Medical Imaging, Sc — 221 clinicians
Accepts Medicare assignment Not indicated
Practice locations21 on file with Medicare

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