Provider Demographics
NPI:1790758431
Name:STEFFAN, WILLIAM C (MD)
Entity Type:Individual
Prefix:
First Name:WILLIAM
Middle Name:C
Last Name:STEFFAN
Suffix:
Gender:M
Credentials:MD
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Mailing Address - Street 1:26522 LA ALAMEDA
Mailing Address - Street 2:SUITE 120
Mailing Address - City:MISSION VIEJO
Mailing Address - State:CA
Mailing Address - Zip Code:92691-6330
Mailing Address - Country:US
Mailing Address - Phone:949-282-1671
Mailing Address - Fax:949-367-0518
Practice Address - Street 1:27231 LA PAZ RD
Practice Address - Street 2:#A
Practice Address - City:LAGUNA NIGUEL
Practice Address - State:CA
Practice Address - Zip Code:92677
Practice Address - Country:US
Practice Address - Phone:949-643-9111
Practice Address - Fax:949-643-8916
Is Sole Proprietor?:No
Enumeration Date:2006-02-13
Last Update Date:2018-06-25
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Provider Licenses
StateLicense IDTaxonomies
CAG42830207Q00000X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes207Q00000XAllopathic & Osteopathic PhysiciansFamily Medicine
Provider Identifiers
StateIdentifier IDID TypeIssuer
CAWG42830EMedicare PIN
A49135Medicare UPIN
CAEX890YMedicare PIN
CAEX890ZMedicare PIN