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Contact Information

WILLIAM B RYAN, PHD
1648 ELLIS ST
SUITE 302
BOZEMAN, MT59715
 Phone: 406-586-9580
 Fax: 406-587-1513
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Clinical

103TC0700X 62 Psychologist, Clinical
Indicates primary specialty

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

NPI Number 1629122544
Status Active
Credentials PHD
Entity Individual
Enumeration date 01/22/2007
Last updated 05/03/2026 - About a month ago
Sole proprietor 1 No
Identifiers
  • MT License # 219
  • MT Medicaid 0492232
  • MT Other 52920 BLUE CROSS
Hospital affiliation(s) Not Available
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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