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

William D Grainger, MD

Individual provider Neurology Physician · NPI 1003963679

William D Grainger, MD is a Neurology Physician in Gilbert, Arizona. Licensed in Arizona. Registered with an NPI since 2007.

Licensed in
AZ
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

726 N Greenfield Rd Ste 110
Gilbert, AZ 85234-5012
Phone: (480) 834-8885
Fax: (480) 751-5724
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence AZ15336 (AZ)

Record details

NPI number1003963679
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2007
Last updated in NPPESJune 30, 2021
Certification dateJune 30, 2021
Mailing address1343 N Alma School Rd, Ste 160, Chandler, AZ 85224-5901

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