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
KATHERINE MADISON MACMILLAN
Active
Individual
KATHERINE MADISON MACMILLAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
F
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
009641
GA
207R00000X
Internal Medicine Physician
85580
SC
207RG0100X
Gastroenterology Physician
72379
AZ
207RG0100X
Gastroenterology Physician
Primary
85580
SC
Other
Enumeration date
04/10/2017
Last updated
02/23/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign upProduct
Developers