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

Individual provider Clinical Neurophysiology Physician · NPI 1922115609

Korwyn L Williams, MD is a Neurology in Phoenix, Arizona. Graduated from Washington University School of Medicine in 1998, 28 years ago. Practices with Phoenix Children's Hospital, a 430-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
28
Trained at
Washington University School of Medicine
Licensed in
AZ
In the registry since
2006
Specialties on file
3
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

1919 E Thomas Rd
Phoenix, AZ 85016-7710
Phone: (602) 933-0970
Fax: (602) 933-4253
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Epilepsy Physician (primary) Taxonomy 2084E0001X · Licence 37004 (AZ)
Clinical Neurophysiology Physician Taxonomy 2084N0600X · Licence 37004 (AZ)
Neurology with Special Qualifications in Child Neurology Physician Taxonomy 2084N0402X · Licence 37004 (AZ)

Record details

NPI number1922115609
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Phoenix Children'S Hospital — 430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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