Individual
JEFFREY J WARREN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
125050254
IL
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
809840
MEDICARE GROUP #
IL
01
—
CA4079
RR MEDICARE GROUP PTAN
IL
01
—
P00617110
RR MEDICARE MEMBER PTAN
IL
Enumeration date
06/06/2007
Last updated
11/29/2022
Update your record
If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS at https://nppes.cms.hhs.gov.
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