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

William N Holmes, MD

Individual provider Diagnostic Radiology Physician · NPI 1700811700

William N Holmes, MD is a Diagnostic Radiology in Orange, California. Graduated from University of Vermont College of Medicine in 2001, 25 years ago. Practices with Childrens Hospital of Orange County, a 71-clinician group and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
25
Trained at
University of Vermont College of Medicine
Licensed in
CA, MA
In the registry since
2006
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

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 A104831 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 227340 (MA)

Record details

NPI number1700811700
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESJanuary 9, 2009
Mailing addressPo Box 14005, Orange, CA 92863-1405

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Childrens Hospital Of Orange County — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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