NPI Registry
Contact usSign up free
Find providers by NPI
Individual

RUTH WILLIAMSON

Active
Sole proprietor
No

Provider details

NPI number
Gender
F
Credential
MD

Contact information

Practice address
625 S FAIR OAKS AVE STE 100, PASADENA, CA 91105-2640
(626) 397-5149
(310) 397-2147
Mailing address
4140 W 190TH ST, TORRANCE, CA 90504-5513

Taxonomy

Speciality
Code
Description
License number
State
2085R0001X
Radiation Oncology Physician
Primary
G707B5C
CA

Other

Other identifiers
Code
Description
Identifier
Issuer
State
05
GR0087110
CA
Enumeration date
10/26/2006
Last updated
10/13/2022
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us
Product
  • Claims
  • Eligibility checks
  • EDI platform