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

Mark Nunzio Masotto, MD

Individual provider Diagnostic Radiology Physician · NPI 1033118336

Mark Nunzio Masotto, MD is a Diagnostic Radiology in Orange, California. Graduated from Creighton University School of Medicine in 1995, 31 years ago. Practices with Moran Rowen and Dorsey Inc, a 35-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
Creighton University School of Medicine
Licensed in
CA
In the registry since
2005
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

431 S Batavia St Ste 103
Orange, CA 92868-3936
Phone: (714) 538-6731
Fax: (714) 771-8369
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A61275 (CA)

Record details

NPI number1033118336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESAugust 15, 2008

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Moran Rowen And Dorsey Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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