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DR. MARK A WILLIAMS PH.D.
NPI 1699922112
Clinical Neuropsychologist in Patton, CA

Active since August 27, 2008
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE, PATTON, CA 92369(909) 425-7679(909) 425-6635 Get Directions Write a Review

NPPES record last updated: July 29, 2013. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Mark A Williams Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A WILLIAMS PH.D. (NPI 1699922112) is an individual clinical neuropsychologist in Patton, California and active in the NPI registry since August 2008.

NPPES Registry Identity

NPI1699922112
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameDR. MARK A WILLIAMSCredential: PH.D.
Location Address3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICEPatton, CA 92369
Mailing Address3102 E. Highland Avenue, Medical Staff OfficePatton, CA 92369 · (909) 425-7679 · Fax (909) 425-6635
Phone(909) 425-7679
Fax(909) 425-6635
Sole ProprietorNo
Enumeration DateAugust 27, 2008
Last NPPES UpdateJuly 29, 2013
✔ NPI 1699922112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologist · ForensicTaxonomy 103TF0200X
3102 E. HIGHLAND AVENUE, Patton, CA 92369
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEIGH A LINDSEY M.D.
Psychiatry & Neurology (Psychiatry)
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7679
KENNY CHAN WIN M.D.
Internal Medicine
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7679
NASHIRA YVETTE FUNN LCSW
Social Worker (Clinical)
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7000
DEBRA F JOHNSON LCSW
Social Worker (Clinical)
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7000
MARIANITA ARALAR RAYMUNDO M.D.
Family Medicine
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7000
DR. YVONNE CARROL MCDOWELL M.D.
Psychiatry & Neurology (Psychiatry)
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7679
MR. ROGER JOHN CABANSAG M.D.
Psychiatry & Neurology (Psychiatry)
3102 E. HIGHLAND AVENUE, MEDICAL STAFF OFFICE
PATTON, CA 92369
San Bernardino County (909) 425-7679
KRISTINE I VINDUA PSY.D.
Psychologist (Clinical)
3102 E. HIGHLAND AVENUE, PATTON STATE HOSPITAL
PATTON, CA 92369
San Bernardino County (909) 425-7679

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Williams's NPI number?

The NPI number for Mark Williams is 1699922112. It was assigned to this individual provider in the NPPES registry on August 27, 2008.

Where is Mark Williams located?

Mark Williams practices at 3102 E. Highland Avenue Medical Staff Office, Patton, CA 92369. The listed phone number is (909) 425-7679.

What is Mark Williams's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for Mark Williams was last updated on July 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.