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

Dr. Gary Ruelas, DO, PHD

Individual provider Clinical Neuropsychologist · NPI 1154461549

Dr. Gary Ruelas, DO, PHD is a Clinical Neuropsychologist in Orange, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

707 E Chapman Ave
Orange, CA 92866-1620
Phone: (714) 771-2880
Fax: (714) 771-2693
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Specialties & licences

Neuromusculoskeletal Medicine & OMM Physician (primary) Taxonomy 204D00000X · Licence 20A7737 (CA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PSY13999 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY13999 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 20A7737 (CA)

Record details

NPI number1154461549
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , PHD
Sole proprietorYes
NPI enumeratedFebruary 7, 2007
Last updated in NPPESSeptember 11, 2025

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