Individual
DR. MARY JOHANNA CLARK
Active
Sole proprietor
No
Provider details
NPI number
Gender
F
Credential
DO
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
29800
CO
207R00000X
Internal Medicine Physician
Primary
81803
WI
Other
Enumeration date
08/09/2006
Last updated
10/16/2025
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