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.
Organization
WALTER C. PREHN M.D. A PROFESSIONAL CORPORATION
Active
Organization
WALTER C. PREHN M.D. A PROFESSIONAL CORPORATION
Active
Organization subpart
No
Provider details
NPI number
Authorized official
DR. WALTER CRAIG PREHN M.D. (PRESIDENT)
(707) 495-7762
Entity
Organization
Contact information
Practice address
181 ANDRIEUX ST, SUITE 206, SONOMA, CA 95476-6920
(707) 495-7762
(707) 938-7337
Mailing address
181 ANDRIEUX ST, SUITE 206, SONOMA, CA 95476-6920
(707) 495-7762
(707) 938-7337
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
G25454
CA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
00G254540
—
CA
Enumeration date
02/14/2011
Last updated
10/05/2012
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