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Contact Information

WILLIAM M GREIF, MD
1425 S MAIN ST
WALNUT CREEK, CA94596-5318
 Phone: 925-295-4000
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Surgery

208600000X 02 Physician/General Surgery
Indicates primary specialty

NPI Profile & details for WILLIAM M GREIF · (Male)

NPI Number 1013095108
Status Active
Credentials MD
Entity Individual
Enumeration date 11/02/2006
Last updated 07/08/2007 - About 12 years ago
Sole proprietor 1 No
Identifiers
  • CA License # G85813
  • CA Medicaid 00G858130
Hospital affiliation(s)
  • KAISER FOUNDATION HOSPITAL - ANTIOCH - (Acute Care)
    4501 SAND CREEK ROAD
    ANTIOCH, CA 94531
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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