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Contact Information

WILLIAM R RYAN, MD
2340 CLAY ST FL 5
SAN FRANCISCO, CA94115-1932
 Phone: 415-600-3073
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Plastic Surgery within the Head & Neck

207YX0007X 04 Physician/Otolaryngology
Indicates primary specialty

NPI Profile & details for WILLIAM R RYAN · (Male)

NPI Number 1184811549
Status Active
Credentials MD
Entity Individual
Enumeration date 10/01/2007
Last updated 01/13/2026 - About 5 months ago
Sole proprietor 1 No
Identifiers
  • CA License # A97821
Hospital affiliation(s)
  • UCSF MEDICAL CENTER - (Acute Care)
    505 PARNASSUS AVE, BOX 0296
    SAN FRANCISCO, CA 94143
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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