Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days.
Individual
DR. ARTHUR R WILLIAMS IV
Active
Individual
DR. ARTHUR R WILLIAMS IV
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
M.D., M.A.
Taxonomy
Speciality
Code
Description
License number
State
2084P0800X
Psychiatry Physician
C1-0024636
DE
2084P0802X
Addiction Psychiatry Physician
Primary
262149
NY
2084P0802X
Addiction Psychiatry Physician
MD472288
PA
Other
Enumeration date
05/02/2010
Last updated
10/20/2025
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up