Update this page – 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.
Individual
JOHN PETERSEN
Active
Individual
JOHN PETERSEN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207P00000X
Emergency Medicine Physician
G74917
CA
207R00000X
Internal Medicine Physician
Primary
Q0536
TX
Other
Enumeration date
05/27/2005
Last updated
03/12/2025
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