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

Dr. Andrew Nathan Knoll, MD

Individual provider Diagnostic Radiology Physician · NPI 1801075189

Dr. Andrew Nathan Knoll, MD is a Diagnostic Radiology in Orange, California. Graduated from New York Medical College in 2004, 22 years ago. Practices with Moran Rowen and Dorsey Inc, a 35-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
New York Medical College
Licensed in
CA
In the registry since
2007
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) 571-5055
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 A93913 (CA)

Record details

NPI number1801075189
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 2, 2007
Last updated in NPPESJune 14, 2010

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2004 (22 years in practice)
Group practice Moran Rowen And Dorsey Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations12 on file with Medicare

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