KORWYN L WILLIAMS M.D.
NPI 1922115609
Psychiatry & Neurology - Epilepsy in Phoenix, AZ

Q: What is Korwyn Williams's NPI number?

The NPI number for Korwyn Williams is 1922115609. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Q: What is Korwyn Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.

Q: When was this NPI record last updated?

The NPPES record for Korwyn Williams was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment

1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-0970(602) 933-4253 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Korwyn L Williams M.d. NPPES

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

KORWYN L WILLIAMS M.D. (NPI 1922115609) is an individual epilepsy provider in Phoenix, Arizona, licensed in Arizona (37004) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1998).

NPPES Registry Identity

NPI1922115609

Entity TypeIndividualMale

Primary Taxonomy2084E0001X

Provider Legal NameKORWYN L WILLIAMSCredential: M.D.

Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710

Mailing Address3200 E Camelback Rd Ste 250Phoenix, AZ 85018-2327 · (602) 933-1814

Phone(602) 933-0970

Fax(602) 933-4253

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 1998

Enumeration DateAugust 25, 2006

Last NPPES UpdateJune 3, 2026

NPPES CertifiedJune 3, 2026

✔ NPI 1922115609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · EpilepsyAllopathic & Osteopathic Physicians

Taxonomy Code2084E0001X

License✔ Licensed in AZ · 37004

Definition

Epilepsy is a subspecialty of neurology focused on the diagnosis and treatment of patients with epilepsy, including new-onset, medically refractory epilepsy, psychogenic nonepileptic seizures, and epilepsy in special populations (the elderly, women, patients with co-morbidities). Epilepsy is a multidisciplinary field that provides comprehensive care of the patient.

Also ListedPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyTaxonomy 2084N0402X · License 37004 (AZ)

Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 37004 (AZ)

1919 E THOMAS RD, Phoenix, AZ 85016

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Other Identifiers 2

Medicaid009993745AL

Medicaid222842AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Korwyn L Williams M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911949748

PECOS Enrollment IDI20070809000712

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

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